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"FEATURE" macro.
SENDMAIL 8.12.3 CF/README For example: cyberspammer.com ERROR:550 "We don't accept mail from spammers" okay.cyberspammer.com OK sendmail.org RELAY 128.32 RELAY IPv6:1:2:3:4:5:6:7 RELAY [127.0 ARGUMENTS - SENDMAIL SENTRION OPEN SOURCE ARGUMENTS. The complete list of arguments to sendmail is described in detail in Appendix A. Some important arguments are described here. Queue Interval. The amount of time between forking a process to run through the queue is defined by the -q flag. If you run with delivery mode set to i or b this can be relatively large, since it will only be relevant when a host that was down comes back up.BASIC INSTALLATION
BASIC INSTALLATION. There are two basic steps to installing sendmail.First, you have to compile and install the binary. If sendmail has already been ported to your operating system that should be simple. Second, you must build a run-time configuration file. SENDMAIL 8.12.3 CF/README ${server_name} the name of the server of the current outgoing SMTP connection. ${server_addr} the address of the server of the current outgoing SMTP connection. Relaying. SMTP STARTTLS can allow relaying for senders who have successfully authenticated themselves. This is done in the ruleset RelayAuth.If the verification of the cert failed (${verify}!= OK), relaying is subject to the A FIRST COMPARISON BETWEEN QMAIL AND SENDMAIL. Last Update 1999-11-24. sendmail and qmail are both message transfer agents (MTAs) for e-mail. However, they differ significantly in many respects. sendmail is more than 10 years old, qmail is currently (1997-05-22) available as version 1.01. RELAYING DENIED/ALLOWED (IN SENDMAIL 8.8/8.9-8.12) Last Update 2001-09-19 Relaying Denied. Starting with version 8.9, sendmail denies unauthorized relaying by default, for sendmail 8.8, HACKs are available to accomplish this task. In both cases, the ruleset check_rcpt is used. If you get a 550 Relaying denied or similar, e.g., 550 5.7.1 SENDMAIL INSTALLATION AND OPERATION GUIDE an asterick a dagger a pound sign a double dagger SENDMAIL\uTM\d. INSTALLATION AND OPERATION GUIDE. Eric Allman Gregory Neil Shapiro Claus Assmann Sendmail, Inc. SMTP STARTTLS IN SENDMAIL/SECURE SWITCH Last Update 2009-06-22 Introduction Sendmail Secure Switch/ sendmail 8.11/ 8.12 support SMTP STARTTLS as defined in RFC 2487 which is based on TLS. This document describes the necessary steps to use this feature. Terminology TLS can provide authentication (identification of the communication partner), privacy/confidentiality SMTP AUTH IN SENDMAIL 8.10- Last Update 2006-04-15 Introduction sendmail 8.10 and later supports SMTP AUTH as defined in RFC 2554 which is based on SASL. This document describes the necessary steps for installation and operation of this feature with sendmail 8.10 and later versions. (2000-03-23) If you use sendmail 8.10.0 as client for SMTP AUTH, please read the SENDMAIL 8.12.3 CF/README This document describes the sendmail configuration files. Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Features. Special features can be requested using the"FEATURE" macro.
SENDMAIL 8.12.3 CF/README For example: cyberspammer.com ERROR:550 "We don't accept mail from spammers" okay.cyberspammer.com OK sendmail.org RELAY 128.32 RELAY IPv6:1:2:3:4:5:6:7 RELAY [127.0 ARGUMENTS - SENDMAIL SENTRION OPEN SOURCE ARGUMENTS. The complete list of arguments to sendmail is described in detail in Appendix A. Some important arguments are described here. Queue Interval. The amount of time between forking a process to run through the queue is defined by the -q flag. If you run with delivery mode set to i or b this can be relatively large, since it will only be relevant when a host that was down comes back up.BASIC INSTALLATION
BASIC INSTALLATION. There are two basic steps to installing sendmail.First, you have to compile and install the binary. If sendmail has already been ported to your operating system that should be simple. Second, you must build a run-time configuration file. SENDMAIL 8.12.3 CF/README ${server_name} the name of the server of the current outgoing SMTP connection. ${server_addr} the address of the server of the current outgoing SMTP connection. Relaying. SMTP STARTTLS can allow relaying for senders who have successfully authenticated themselves. This is done in the ruleset RelayAuth.If the verification of the cert failed (${verify}!= OK), relaying is subject to the A FIRST COMPARISON BETWEEN QMAIL AND SENDMAIL. Last Update 1999-11-24. sendmail and qmail are both message transfer agents (MTAs) for e-mail. However, they differ significantly in many respects. sendmail is more than 10 years old, qmail is currently (1997-05-22) available as version 1.01. RELAYING DENIED/ALLOWED (IN SENDMAIL 8.8/8.9-8.12) Last Update 2001-09-19 Relaying Denied. Starting with version 8.9, sendmail denies unauthorized relaying by default, for sendmail 8.8, HACKs are available to accomplish this task. In both cases, the ruleset check_rcpt is used. If you get a 550 Relaying denied or similar, e.g., 550 5.7.1SOFTWARE FOR E-MAIL
Software for e-mail: MTAs: sendmail, qmail; MUAs: elm, mutt; filter:procmail, etc
SMTP AUTH IN SENDMAIL 8.10- Last Update 2006-04-15 Introduction sendmail 8.10 and later supports SMTP AUTH as defined in RFC 2554 which is based on SASL. This document describes the necessary steps for installation and operation of this feature with sendmail 8.10 and later versions. (2000-03-23) If you use sendmail 8.10.0 as client for SMTP AUTH, please read the FLOW OF ADDRESSES THROUGH THE REWRITE RULES IN SENDMAIL 8.8 Introduction The Sendmail Installation and Operation Guide explains in Semantics of rewriting rule sets the flow of addresses through the different rewriting rules .If you are not familar with the way sendmail works, read these documents first, before you try to understand this! However, this guide isn't up-to-date. Therefore, I'll try to outline the flow of addresses through the rewrite rules SMTP AUTH FOR SENDMAIL 8.10: REALMS AND EXAMPLES Last Update 2000-06-24 Realms? Since some of the mechanisms used in SMTP AUTH don't support realms, Cyrus SASL uses a hack (starting with 1.5.10) for those: it appends @HOST.DOMAIN to the authid before looking it up in sasldb.This is at least used for CRAM-MD5 and for PLAIN if pwcheck_method: sasldb has been chosen in Sendmail.confpwcheck_method
ARGUMENTS - SENDMAIL SENTRION OPEN SOURCE ARGUMENTS. The complete list of arguments to sendmail is described in detail in Appendix A. Some important arguments are described here. Queue Interval. The amount of time between forking a process to run through the queue is defined by the -q flag. If you run with delivery mode set to i or b this can be relatively large, since it will only be relevant when a host that was down comes back up. HOW TO GET NOTIFIED WHEN AN E-MAIL HAS BEEN READ/DELIVERED? Last Update 2006-03-31. Content: DSN, RFCs, How?, MUAs, Receipt Notification This text tries to explain what standards and other means are available to get a notification when your e-mail has been delivered, received, or read. First, let's define the terminology: SENDMAIL 8.12.3 CF/README Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Sendmail Configuration Files [ In case you prefer the text-only version of cf/README, follow this link: SENDMAIL 8.12.3 CF/README Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Using Mailertables. To use FEATURE(`mailertable'), you will have to create an external database containing the routing information for various domains. For example, a mailertable file in text format might be: .my.domain xnet:%1.my.domain uuhost1.my.domain uucp-new:uuhost1 .bitnetPOSTFIX/TLS
Postfix/TLS - Setting up the certificates This section explains what kind of certificates are needed to run postfix with TLS. The certificates (and maybe keys) can be obtained from a third party, that might be a commercial certification authority or your internet serviceprovider.
BUILDING CYRUS SASL ON WINDOWS Building Cyrus SASL on Windows Note, that Cyrus SASL on Windows is still laregely a "work in progress". So far only the main library, plugins (SASLDB using SleepyCat, no MySQL) and two applications (saslpasswd2.exe and sasldblistusers2.exe) can be built. SENDMAIL INSTALLATION AND OPERATION GUIDE an asterick a dagger a pound sign a double dagger SENDMAIL\uTM\d. INSTALLATION AND OPERATION GUIDE. Eric Allman Gregory Neil Shapiro Claus Assmann Sendmail, Inc. SMTP STARTTLS IN SENDMAIL/SECURE SWITCH Last Update 2009-06-22 Introduction Sendmail Secure Switch/ sendmail 8.11/ 8.12 support SMTP STARTTLS as defined in RFC 2487 which is based on TLS. This document describes the necessary steps to use this feature. Terminology TLS can provide authentication (identification of the communication partner), privacy/confidentiality SENDMAIL 8.12.3 CF/README This document describes the sendmail configuration files. Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Features. Special features can be requested using the"FEATURE" macro.
SMTP AUTH IN SENDMAIL 8.10- Last Update 2006-04-15 Introduction sendmail 8.10 and later supports SMTP AUTH as defined in RFC 2554 which is based on SASL. This document describes the necessary steps for installation and operation of this feature with sendmail 8.10 and later versions. (2000-03-23) If you use sendmail 8.10.0 as client for SMTP AUTH, please read the FLOW OF ADDRESSES THROUGH THE REWRITE RULES IN SENDMAIL 8.8 Introduction The Sendmail Installation and Operation Guide explains in Semantics of rewriting rule sets the flow of addresses through the different rewriting rules .If you are not familar with the way sendmail works, read these documents first, before you try to understand this! However, this guide isn't up-to-date. Therefore, I'll try to outline the flow of addresses through the rewrite rules SENDMAIL 8.12.3 CF/README For example: cyberspammer.com ERROR:550 "We don't accept mail from spammers" okay.cyberspammer.com OK sendmail.org RELAY 128.32 RELAY IPv6:1:2:3:4:5:6:7 RELAY [127.0 SENDMAIL 8.12.3 CF/README ${server_name} the name of the server of the current outgoing SMTP connection. ${server_addr} the address of the server of the current outgoing SMTP connection. Relaying. SMTP STARTTLS can allow relaying for senders who have successfully authenticated themselves. This is done in the ruleset RelayAuth.If the verification of the cert failed (${verify}!= OK), relaying is subject to theBASIC INSTALLATION
BASIC INSTALLATION. There are two basic steps to installing sendmail.First, you have to compile and install the binary. If sendmail has already been ported to your operating system that should be simple. Second, you must build a run-time configuration file. A FIRST COMPARISON BETWEEN QMAIL AND SENDMAIL. Last Update 1999-11-24. sendmail and qmail are both message transfer agents (MTAs) for e-mail. However, they differ significantly in many respects. sendmail is more than 10 years old, qmail is currently (1997-05-22) available as version 1.01. RELAYING DENIED/ALLOWED (IN SENDMAIL 8.8/8.9-8.12) Last Update 2001-09-19 Relaying Denied. Starting with version 8.9, sendmail denies unauthorized relaying by default, for sendmail 8.8, HACKs are available to accomplish this task. In both cases, the ruleset check_rcpt is used. If you get a 550 Relaying denied or similar, e.g., 550 5.7.1 SENDMAIL INSTALLATION AND OPERATION GUIDE an asterick a dagger a pound sign a double dagger SENDMAIL\uTM\d. INSTALLATION AND OPERATION GUIDE. Eric Allman Gregory Neil Shapiro Claus Assmann Sendmail, Inc. SMTP STARTTLS IN SENDMAIL/SECURE SWITCH Last Update 2009-06-22 Introduction Sendmail Secure Switch/ sendmail 8.11/ 8.12 support SMTP STARTTLS as defined in RFC 2487 which is based on TLS. This document describes the necessary steps to use this feature. Terminology TLS can provide authentication (identification of the communication partner), privacy/confidentiality SENDMAIL 8.12.3 CF/README This document describes the sendmail configuration files. Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Features. Special features can be requested using the"FEATURE" macro.
SMTP AUTH IN SENDMAIL 8.10- Last Update 2006-04-15 Introduction sendmail 8.10 and later supports SMTP AUTH as defined in RFC 2554 which is based on SASL. This document describes the necessary steps for installation and operation of this feature with sendmail 8.10 and later versions. (2000-03-23) If you use sendmail 8.10.0 as client for SMTP AUTH, please read the FLOW OF ADDRESSES THROUGH THE REWRITE RULES IN SENDMAIL 8.8 Introduction The Sendmail Installation and Operation Guide explains in Semantics of rewriting rule sets the flow of addresses through the different rewriting rules .If you are not familar with the way sendmail works, read these documents first, before you try to understand this! However, this guide isn't up-to-date. Therefore, I'll try to outline the flow of addresses through the rewrite rules SENDMAIL 8.12.3 CF/README For example: cyberspammer.com ERROR:550 "We don't accept mail from spammers" okay.cyberspammer.com OK sendmail.org RELAY 128.32 RELAY IPv6:1:2:3:4:5:6:7 RELAY [127.0 SENDMAIL 8.12.3 CF/README ${server_name} the name of the server of the current outgoing SMTP connection. ${server_addr} the address of the server of the current outgoing SMTP connection. Relaying. SMTP STARTTLS can allow relaying for senders who have successfully authenticated themselves. This is done in the ruleset RelayAuth.If the verification of the cert failed (${verify}!= OK), relaying is subject to theBASIC INSTALLATION
BASIC INSTALLATION. There are two basic steps to installing sendmail.First, you have to compile and install the binary. If sendmail has already been ported to your operating system that should be simple. Second, you must build a run-time configuration file. A FIRST COMPARISON BETWEEN QMAIL AND SENDMAIL. Last Update 1999-11-24. sendmail and qmail are both message transfer agents (MTAs) for e-mail. However, they differ significantly in many respects. sendmail is more than 10 years old, qmail is currently (1997-05-22) available as version 1.01. RELAYING DENIED/ALLOWED (IN SENDMAIL 8.8/8.9-8.12) Last Update 2001-09-19 Relaying Denied. Starting with version 8.9, sendmail denies unauthorized relaying by default, for sendmail 8.8, HACKs are available to accomplish this task. In both cases, the ruleset check_rcpt is used. If you get a 550 Relaying denied or similar, e.g., 550 5.7.1SOFTWARE FOR E-MAIL
Software for e-mail: MTAs: sendmail, qmail; MUAs: elm, mutt; filter:procmail, etc
SMTP AUTH IN SENDMAIL 8.10- Last Update 2006-04-15 Introduction sendmail 8.10 and later supports SMTP AUTH as defined in RFC 2554 which is based on SASL. This document describes the necessary steps for installation and operation of this feature with sendmail 8.10 and later versions. (2000-03-23) If you use sendmail 8.10.0 as client for SMTP AUTH, please read the SMTP AUTH FOR SENDMAIL 8.10: REALMS AND EXAMPLES Last Update 2000-06-24 Realms? Since some of the mechanisms used in SMTP AUTH don't support realms, Cyrus SASL uses a hack (starting with 1.5.10) for those: it appends @HOST.DOMAIN to the authid before looking it up in sasldb.This is at least used for CRAM-MD5 and for PLAIN if pwcheck_method: sasldb has been chosen in Sendmail.confpwcheck_method
A FIRST COMPARISON BETWEEN QMAIL AND SENDMAIL. Last Update 1999-11-24. sendmail and qmail are both message transfer agents (MTAs) for e-mail. However, they differ significantly in many respects. sendmail is more than 10 years old, qmail is currently (1997-05-22) available as version 1.01. ARGUMENTS - SENDMAIL SENTRION OPEN SOURCE ARGUMENTS. The complete list of arguments to sendmail is described in detail in Appendix A. Some important arguments are described here. Queue Interval. The amount of time between forking a process to run through the queue is defined by the -q flag. If you run with delivery mode set to i or b this can be relatively large, since it will only be relevant when a host that was down comes back up. SENDMAIL 8.12.3 CF/README Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Sendmail Configuration Files [ In case you prefer the text-only version of cf/README, follow this link: SENDMAIL 8.12.3 CF/README Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Using Mailertables. To use FEATURE(`mailertable'), you will have to create an external database containing the routing information for various domains. For example, a mailertable file in text format might be: .my.domain xnet:%1.my.domain uuhost1.my.domain uucp-new:uuhost1 .bitnetPOSTFIX/TLS
Postfix/TLS - Setting up the certificates This section explains what kind of certificates are needed to run postfix with TLS. The certificates (and maybe keys) can be obtained from a third party, that might be a commercial certification authority or your internet serviceprovider.
SASL APPLICATION PROGRAMMER'S GUIDE About this Guide. This guide gives a tutorial on the use of the Cyrus SASL library for a client or server application. It complies with versions including and after 2.0.0. The following pages should only be considered a guide, not the final word on programming with the CyrusSASL library.
BUILDING CYRUS SASL ON WINDOWS Building Cyrus SASL on Windows Note, that Cyrus SASL on Windows is still laregely a "work in progress". So far only the main library, plugins (SASLDB using SleepyCat, no MySQL) and two applications (saslpasswd2.exe and sasldblistusers2.exe) can be built. SENDMAIL INSTALLATION AND OPERATION GUIDE an asterick a dagger a pound sign a double dagger SENDMAIL\uTM\d. INSTALLATION AND OPERATION GUIDE. Eric Allman Gregory Neil Shapiro Claus Assmann Sendmail, Inc. SMTP STARTTLS IN SENDMAIL/SECURE SWITCH Last Update 2009-06-22 Introduction Sendmail Secure Switch/ sendmail 8.11/ 8.12 support SMTP STARTTLS as defined in RFC 2487 which is based on TLS. This document describes the necessary steps to use this feature. Terminology TLS can provide authentication (identification of the communication partner), privacy/confidentiality FLOW OF ADDRESSES THROUGH THE REWRITE RULES IN SENDMAIL 8.8 Introduction The Sendmail Installation and Operation Guide explains in Semantics of rewriting rule sets the flow of addresses through the different rewriting rules .If you are not familar with the way sendmail works, read these documents first, before you try to understand this! However, this guide isn't up-to-date. Therefore, I'll try to outline the flow of addresses through the rewrite rules SENDMAIL 8.12.3 CF/README ${server_name} the name of the server of the current outgoing SMTP connection. ${server_addr} the address of the server of the current outgoing SMTP connection. Relaying. SMTP STARTTLS can allow relaying for senders who have successfully authenticated themselves. This is done in the ruleset RelayAuth.If the verification of the cert failed (${verify}!= OK), relaying is subject to the SENDMAIL 8.12.3 CF/README This document describes the sendmail configuration files. Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Features. Special features can be requested using the"FEATURE" macro.
ARGUMENTS - SENDMAIL SENTRION OPEN SOURCE ARGUMENTS. The complete list of arguments to sendmail is described in detail in Appendix A. Some important arguments are described here. Queue Interval. The amount of time between forking a process to run through the queue is defined by the -q flag. If you run with delivery mode set to i or b this can be relatively large, since it will only be relevant when a host that was down comes back up. SENDMAIL 8.12.3 CF/README For example: cyberspammer.com ERROR:550 "We don't accept mail from spammers" okay.cyberspammer.com OK sendmail.org RELAY 128.32 RELAY IPv6:1:2:3:4:5:6:7 RELAY [127.0 SASL APPLICATION PROGRAMMER'S GUIDE SENDMAIL 8.12.3 CF/README Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Using Mailertables. To use FEATURE(`mailertable'), you will have to create an external database containing the routing information for various domains. For example, a mailertable file in text format might be: .my.domain xnet:%1.my.domain uuhost1.my.domain uucp-new:uuhost1 .bitnet A FIRST COMPARISON BETWEEN QMAIL AND SENDMAIL. Last Update 1999-11-24. sendmail and qmail are both message transfer agents (MTAs) for e-mail. However, they differ significantly in many respects. sendmail is more than 10 years old, qmail is currently (1997-05-22) available as version 1.01. SENDMAIL INSTALLATION AND OPERATION GUIDE an asterick a dagger a pound sign a double dagger SENDMAIL\uTM\d. INSTALLATION AND OPERATION GUIDE. Eric Allman Gregory Neil Shapiro Claus Assmann Sendmail, Inc. SMTP STARTTLS IN SENDMAIL/SECURE SWITCH Last Update 2009-06-22 Introduction Sendmail Secure Switch/ sendmail 8.11/ 8.12 support SMTP STARTTLS as defined in RFC 2487 which is based on TLS. This document describes the necessary steps to use this feature. Terminology TLS can provide authentication (identification of the communication partner), privacy/confidentiality FLOW OF ADDRESSES THROUGH THE REWRITE RULES IN SENDMAIL 8.8 Introduction The Sendmail Installation and Operation Guide explains in Semantics of rewriting rule sets the flow of addresses through the different rewriting rules .If you are not familar with the way sendmail works, read these documents first, before you try to understand this! However, this guide isn't up-to-date. Therefore, I'll try to outline the flow of addresses through the rewrite rules SENDMAIL 8.12.3 CF/README ${server_name} the name of the server of the current outgoing SMTP connection. ${server_addr} the address of the server of the current outgoing SMTP connection. Relaying. SMTP STARTTLS can allow relaying for senders who have successfully authenticated themselves. This is done in the ruleset RelayAuth.If the verification of the cert failed (${verify}!= OK), relaying is subject to the SENDMAIL 8.12.3 CF/README This document describes the sendmail configuration files. Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Features. Special features can be requested using the"FEATURE" macro.
ARGUMENTS - SENDMAIL SENTRION OPEN SOURCE ARGUMENTS. The complete list of arguments to sendmail is described in detail in Appendix A. Some important arguments are described here. Queue Interval. The amount of time between forking a process to run through the queue is defined by the -q flag. If you run with delivery mode set to i or b this can be relatively large, since it will only be relevant when a host that was down comes back up. SENDMAIL 8.12.3 CF/README For example: cyberspammer.com ERROR:550 "We don't accept mail from spammers" okay.cyberspammer.com OK sendmail.org RELAY 128.32 RELAY IPv6:1:2:3:4:5:6:7 RELAY [127.0 SASL APPLICATION PROGRAMMER'S GUIDE SENDMAIL 8.12.3 CF/README Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Using Mailertables. To use FEATURE(`mailertable'), you will have to create an external database containing the routing information for various domains. For example, a mailertable file in text format might be: .my.domain xnet:%1.my.domain uuhost1.my.domain uucp-new:uuhost1 .bitnet A FIRST COMPARISON BETWEEN QMAIL AND SENDMAIL. Last Update 1999-11-24. sendmail and qmail are both message transfer agents (MTAs) for e-mail. However, they differ significantly in many respects. sendmail is more than 10 years old, qmail is currently (1997-05-22) available as version 1.01. SENDMAIL INSTALLATION AND OPERATION GUIDE an asterick a dagger a pound sign a double dagger SENDMAIL\uTM\d. INSTALLATION AND OPERATION GUIDE. Eric Allman Gregory Neil Shapiro Claus Assmann Sendmail, Inc.SOFTWARE FOR E-MAIL
Software for e-mail: MTAs: sendmail, qmail; MUAs: elm, mutt; filter:procmail, etc
SMTP AUTH IN SENDMAIL 8.10- Last Update 2006-04-15 Introduction sendmail 8.10 and later supports SMTP AUTH as defined in RFC 2554 which is based on SASL. This document describes the necessary steps for installation and operation of this feature with sendmail 8.10 and later versions. (2000-03-23) If you use sendmail 8.10.0 as client for SMTP AUTH, please read the SENDMAIL 8.12.3 CF/README This document describes the sendmail configuration files. Eric Allman of the Sendmail Consortium: Useful links Table of Content Claus Assmann: Features. Special features can be requested using the"FEATURE" macro.
SMTP AUTH FOR SENDMAIL 8.10: REALMS AND EXAMPLES Last Update 2000-06-24 Realms? Since some of the mechanisms used in SMTP AUTH don't support realms, Cyrus SASL uses a hack (starting with 1.5.10) for those: it appends @HOST.DOMAIN to the authid before looking it up in sasldb.This is at least used for CRAM-MD5 and for PLAIN if pwcheck_method: sasldb has been chosen in Sendmail.confpwcheck_method
SASL APPLICATION PROGRAMMER'S GUIDE About this Guide. This guide gives a tutorial on the use of the Cyrus SASL library for a client or server application. It complies with versions including and after 2.0.0. The following pages should only be considered a guide, not the final word on programming with the CyrusSASL library.
BASIC INSTALLATION
BASIC INSTALLATION. There are two basic steps to installing sendmail.First, you have to compile and install the binary. If sendmail has already been ported to your operating system that should be simple. Second, you must build a run-time configuration file. OPTIONS FOR CYRUS SASL Options for Cyrus SASL. This document contains information on what options are used by the Cyrus SASL library and bundled mechanisms. The most commonly used options (and those that are therefore most commonly misunderstood are pwcheck_method and auxprop_plugin.Please ensure that you have configured these correctly if things don't seem to be workingright.
RELAY CONTROL IN SENDMAIL FOR ROAMING USERS Introduction Relay control is based on either the recipient address or the origin of an e-mail. The first is very simple to control, but the second can be a problem: what is the origin of an e-mail? This can either be based on something simple like the connecting host (IP address/name) or it can use SMTP STARTTLS / AUTH as implemented in sendmail 8.11 / 8.10, which allows users to authenticatePOSTFIX/TLS
Postfix/TLS - Setting up the certificates This section explains what kind of certificates are needed to run postfix with TLS. The certificates (and maybe keys) can be obtained from a third party, that might be a commercial certification authority or your internet serviceprovider.
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Protect your people and data in Microsoft Office 365 with unmatched security and compliance tools. EU GENERAL DATA PROTECTION REGULATION (GDPR) Identify, classify and protect your sensitive data from advancedthreats.
NEXT GENERATION COMPLIANCE SOLUTIONS Safeguard business-critical information from data exfiltration, compliance risks and violations. BUSINESS EMAIL COMPROMISE Block attacks with a layered solution that protects you against every type of email fraud threat. SOCIAL MEDIA COMPLIANCE Simplify social media compliance with pre-built content categories, policies and reports. REPLACE MCAFEE EMAIL SECURITY PRODUCTS Stay ahead of email threats with email security from the exclusive migration partner of Intel Security. UPGRADE YOUR SYMANTEC EMAIL SECURITY Learn how upgrading to Proofpoint can help you keep pace with today's ever-evolving threat landscape.SOLUTION BUNDLES
Stop advanced attacks and solve your most pressing security concerns with our solution bundles. SOLUTIONS BY INDUSTRY Federal Government State and Local GovernmentHigher Education
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and Medium BusinessesPARTNER PROGRAMS
CHANNEL PARTNERS
Become a channel partner. Deliver Proofpoint solutions to your customers and grow your business. ARCHIVE EXTRACTION PARTNERS Learn about the benefits of becoming a Proofpoint Extraction Partner. TECHNOLOGY AND ALLIANCE PARTNERS Learn about our relationships with industry-leading firms to help protect your people, data and brand. SOCIAL MEDIA PROTECTION PARTNERS Learn about the technology and alliance partners in our Social Media Protection Partner program.PARTNER TOOLS
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Find the information you're looking for in our library of videos, data sheets, white papers and more.BLOG
Keep up with the latest news and happenings in the ever-evolving cybersecurity landscape.PODCASTS
Learn about the human side of cybersecurity. Episodes feature insights from experts and executives.EVENTS
Connect with us at events to learn how to protect your people and data from ever-evolving threats.CUSTOMER STORIES
Read how Proofpoint customers around the globe solve their most pressing cybersecurity challenges.WEBINARS
Browse our webinar library to learn about the latest threats, trends and issues in cybersecurity. Watch now to earn your CPE creditsTHREAT CENTER
Learn about our threat operations center and read about the latest risks in our threat blog and reports.Learn More
ABOUT PROOFPOINT
Proofpoint is a leading cybersecurity company that protects organizations' greatest assets and biggest risks: their people.WHY PROOFPOINT
Today’s cyber attacks target people. Learn about our unique people-centric approach to protection.CAREERS
Stand out and make a difference at one of the world's leading cybersecurity companies.INVESTOR CENTER
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SUPPORT
Access the full range of Proofpoint support services.Learn More
United States United Kingdom France Germany Italy Spain Japan AustraliaProducts
Email Security and ProtectionFraud Defense
Threat Response Auto-PullSendmail
Open Source Essentials forSmall Business
Targeted Attack Protection in EmailBrowser Isolation
Isolation
Threat Response
Emerging
Threats Intelligence Simulated Phishing and Knowledge AssessmentsTraining
Modules, Videos and MaterialsPhishing
Email Reporting and AnalysisBusiness
Intelligence IntegrationsMultinational
Support
Cloud Account DefenseCloud App Security
Broker
Proofpoint Meta
Enterprise Archive
Content Capture
Intelligent
Supervision E-discoveryAnalytics
Email Data Loss Prevention (DLP)Email Encryption
Data Discover
ObserveIT Insider
Threat Management
Social Media ProtectionDigital
Compliance
Domain Fraud Monitoring Executive and Location Threat Monitoring Technical Account Managers Premium Threat Information Service Managed Services for Security Awareness Training People-Centric Security Program Products Solutions Partners Resources Company United States United Kingdom France Germany Italy Spain Japan AustraliaLogin
Support Log-in
Digital Risk Portal EmailFraud Defense ET
Intelligence ProofpointEssentials
Sendmail Support Log-inContact
EMAIL PROTECTION
Defend against threats, ensure business continuity, and implementemail policies.
ADVANCED THREAT PROTECTION Protect against email, mobile, social and desktop threats. SECURITY AWARENESS TRAINING Engage your users and turn them into a strong line of defense against phishing and other cyber attacks.CLOUD SECURITY
Defend against cyber criminals accessing your sensitive data andtrusted accounts.
ARCHIVING AND COMPLIANCE Reduce risk, control costs and improve data visibility to ensurecompliance.
INFORMATION PROTECTION Safeguard data in email, cloud apps, on-premise file shares andSharePoint.
DIGITAL RISK PROTECTION Protect against digital security risks across web domains, social media and the deep and dark web. PREMIUM SECURITY SERVICES Get deeper insight with on-call, personalized assistance from ourexpert team.
Email Security and ProtectionFraud Defense
Threat Response Auto-PullSendmail
Open Source Essentials forSmall Business
Targeted Attack Protection in EmailBrowser Isolation
Isolation
Threat Response
Emerging
Threats Intelligence Simulated Phishing and Knowledge AssessmentsTraining
Modules, Videos and MaterialsPhishing
Email Reporting and AnalysisBusiness
Intelligence IntegrationsMultinational
Support
Cloud Account DefenseCloud App Security
Broker
Proofpoint Meta
Enterprise Archive
Content Capture
Intelligent
Supervision E-discoveryAnalytics
Email Data Loss Prevention (DLP)Email Encryption
Data Discover
ObserveIT Insider
Threat Management
Social Media ProtectionDigital
Compliance
Domain Fraud Monitoring Executive and Location Threat Monitoring Technical Account Managers Premium Threat Information Service Managed Services for Security Awareness Training People-Centric Security Program TRAINING MODULES, VIDEOS, AND MATERIALS Try our Security Awareness Training content.Try Now
SOLUTIONS BY TOPIC
REMOTE WORKING AND BUSINESS CONTINUITY Secure your remote users and the data and applications they use.OFFICE 365
Protect your people and data in Microsoft Office 365 with unmatched security and compliance tools. EU GENERAL DATA PROTECTION REGULATION (GDPR) Identify, classify and protect your sensitive data from advancedthreats.
NEXT GENERATION COMPLIANCE SOLUTIONS Safeguard business-critical information from data exfiltration, compliance risks and violations. BUSINESS EMAIL COMPROMISE Block attacks with a layered solution that protects you against every type of email fraud threat. SOCIAL MEDIA COMPLIANCE Simplify social media compliance with pre-built content categories, policies and reports. REPLACE MCAFEE EMAIL SECURITY PRODUCTS Stay ahead of email threats with email security from the exclusive migration partner of Intel Security. UPGRADE YOUR SYMANTEC EMAIL SECURITY Learn how upgrading to Proofpoint can help you keep pace with today's ever-evolving threat landscape.SOLUTION BUNDLES
Stop advanced attacks and solve your most pressing security concerns with our solution bundles. SOLUTIONS BY INDUSTRY Federal Government State and Local GovernmentHigher Education
Financial Services
Healthcare
Mobile for ISPs
Email for ISPs
Small
and Medium BusinessesPARTNER PROGRAMS
CHANNEL PARTNERS
Become a channel partner. Deliver Proofpoint solutions to your customers and grow your business. ARCHIVE EXTRACTION PARTNERS Learn about the benefits of becoming a Proofpoint Extraction Partner. TECHNOLOGY AND ALLIANCE PARTNERS Learn about our relationships with industry-leading firms to help protect your people, data and brand. SOCIAL MEDIA PROTECTION PARTNERS Learn about the technology and alliance partners in our Social Media Protection Partner program.PARTNER TOOLS
Find a Channel PartnerBecome a Channel
Partner Channel
Partner Portal Channel BuzzRESOURCE LIBRARY
Find the information you're looking for in our library of videos, data sheets, white papers and more.BLOG
Keep up with the latest news and happenings in the ever-evolving cybersecurity landscape.PODCASTS
Learn about the human side of cybersecurity. Episodes feature insights from experts and executives.EVENTS
Connect with us at events to learn how to protect your people and data from ever-evolving threats.CUSTOMER STORIES
Read how Proofpoint customers around the globe solve their most pressing cybersecurity challenges.WEBINARS
Browse our webinar library to learn about the latest threats, trends and issues in cybersecurity. Watch now to earn your CPE creditsTHREAT CENTER
Learn about our threat operations center and read about the latest risks in our threat blog and reports.Learn More
ABOUT PROOFPOINT
Proofpoint is a leading cybersecurity company that protects organizations' greatest assets and biggest risks: their people.WHY PROOFPOINT
Today’s cyber attacks target people. Learn about our unique people-centric approach to protection.CAREERS
Stand out and make a difference at one of the world's leading cybersecurity companies.INVESTOR CENTER
View Proofpoint investor relations information, including press releases, financial results and events.NEWS CENTER
Read the latest press releases, news stories and media highlightsabout Proofpoint.
SUPPORT
Access the full range of Proofpoint support services.Learn More
SENDMAIL OPEN SOURCE Finding the right solution for open source users Frequently Asked QuestionsOVERVIEW
The sendmail Sentrion platform is specifically designed for large, complex environments, but we make a subset of that solution available as an open-source offering. Sentrion is not for everyone, but if you are using open source email for a large complex environment and need an enterprise platform that will enable your messaging roadmap for years to come (virtualization, consolidation, cloud migration, etc.), speak with a specialist to see if Sendmail Sentrion is right for you. CURRENT SENDMAIL OPEN SOURCE RELEASE Sendmail 8.15.2 is available from ftp.sendmail.org . The release has a gzippedtar file
and a PGP signaturefile.
The compressed/gzipped tar files are signedby
the 2015 signing keyPGP
signature file. See the Security and PGP Signing Keys section for more information about how releases are signed. IMPORTANT:Â Before downloading, please review the sendmail licensingterms
.
SECURITY AND PGP SIGNING KEYS Security advisories are issued by The Computer Emergency Response Team CERT . Sendmail server related security problems should be sent to: SENDMAIL-SECURITY-_YYYY_@SUPPORT.SENDMAIL.ORG Replace YYYY with the current year, e.g., 2015. This address is only for reporting security problems in sendmail. When reporting security problems, please use PGP-the public key is available in the file PGPKEYS of the sendmail distribution. PLEASE DO NOT USE THIS ADDRESS TO REPORT PROBLEMS THAT ARE NOT RELATED TO THE SECURITY OF THE SENDMAIL SERVER. Questions about stopping spam, how to set up your own certificate authorities, etc. should be posted in comp.mail.sendmail , and Unix-related security in the comp.security.unixnewsgroup.
All sendmail distributions are signed with a PGP key named "Sendmail Signing Key/_YYYY_" where _YYYY_ is the year of release.SIGNING KEYS
SENDMAIL SIGNING KEYSFINGERPRINT
2019
50A3 0309 8EA2 DD7B CBEEÂ Â 2ADA 09E0 1FA0 3C0C 504E2018
A687 3D24 A4D6 D628 4AE4 2A75 F060 59FD 5DC7 CC3F2017
3C8A 1E8E 7F44 CADE 114F ED46 4BC9 BDA6 6BF7 26AD2016
0F5C 96AE C8E6 9E9C 8E54 2E5C 6D4C D194 29FB 03DE2015
30BC A747 05FA 4154 5573 1D7B AAF5 B5DE 05BD CC532014
49F6 A8BE 8473 3949 5191 6F3B 61DE 11EC E276 3A732013
B87D 4569 86F1 9484 07E5 CCB4 3D68 B25D 5207 CAD32012
CA7A 8F39 A241 9FFF B0A9 AB27 8E5A E9FB CEEE F43B2011
5872 6218 A913 400D E660 3601 39A4 C77D A978 84B02010
B175 9644 5303 5DCE DD7B E919 604D FBF2 8541 0ABE2009
33 3A 62 61 2C F3 21 AA 4E 87 47 F2 2F 2C 40 4D2008
07 FB 9A F9 F7 94 4B E4 0F 28 D1 8E 23 6F A2 B02007
D9 FD C5 6B EE 1E 7A A8 CE 27 D9 B9 55 8B 56 B62006
E3 F4 97 BC 9F DF 3F 1D 9B 0D DF D5 77 9A C9 79 IF THE SIGNATURE DOES NOT MATCH ANY OF THESE KEYS, YOU MAY HAVE AFORGERY.
OLDER RELEASES
SENDMAIL SIGNING KEYSFINGERPRINT
2005
4B 38 0E 0B 41 E8 FC 79 E9 7E 82 9B 04 23 EC 8A2004
46 FE 81 99 48 75 30 B1 3E A9 79 43 BB 78 C1 D42003
C4 73 DF 4A 97 9C 27 A9 EE 4F B2 BD 55 B5 E0 0F2002
7B 02 F4 AA FC C0 22 DA 47 3E 2A 9A 9B 35 22 452001
59 AF DC 3E A2 7D 29 56 89 FA 25 70 90 0D 7E C12000
81 8C 58 EA 7A 9D 7C 1B 09 78 AC 5E EB 99 08 5D1999
25 73 4C 8E 94 B1 E8 EA EA 9B A4 D6 00 51 C3 71Used for: 8.9.3
1998
F9 32 40 A1 3B 3A B6 DE B2 98 6A 70 AF 54 9D 26 Used for: 8.9.0 through 8.9.21997
CA AE F2 94 3B 1D 41 3C 94 7B 72 5F AE 0B 6A 11 Used for: 8.8.6 through 8.8.8 Prior to sendmail 8.8.6, distributions were signedby Eric Allman.
C0 28 E6 7B 13 5B 29 02 6F 7E 43 3A 48 4F 45 29CONTACT US
These addresses are for contributing patches or reporting problems about V8 sendmail. The members of these lists do not have the resources to support vendor versions. Before sending to any of these addresses, please check the FAQ and the files README, sendmail/README (on this web-site as Compiling Sendmail) and cf/README (on this web-site as the Configuration README pages) to see if they are already answered; about half of the questions received can be answered in this way.NOTES
* Do not send us mail in HTML format, use plain text only (even multipart/alternative with an HTML part will be classified as spam by some of our members and hence an answer will most likely be delayed). * Do not use 8bit characters in the Subject: nor use some encoding, e.g., =?GB2312?B?, but only plain 7bit ASCII without any charsetencoding.
* If you send e-mail to sendmail.org, the answer will most likely not come from a system in the sendmail.org domain. If you use some anti-spam techniques (e.g., challenge-response systems) or you block hosts that are connected via DSL then please do not expect an answer. More and more often replies are blocked which is very annoying. Do not block this address or make sure that your system accepts at least STARTTLS secured mail. A list of IPs is available in the sendmail.orgSPF record.
* If you use a challenge/response system, make sure that it does NOT send us a challenge when we reply to your question or when you receive mail from the announce list. We will not reply to those annoyingmails.
* If you are using the blacklist from spamlist.org then please do not send us e-mail, the reply of the sendmail maintainer will notreach you.
* Do not send us mail in proprietary formats. * The mailservers for support.sendmail.org now (2004-11-24) use thefollowing DNSBLs:
* sbl-xbl.spamhaus.org* dnsbl.sorbs.net
* list.dsbl.org
* bl.spamcop.net
* The mailserver for support.sendmail.org performs strict RFC checks, for example, it does not accept mail if the domain part has an MX record that points to an IP address (instead of hostname asrequired).
If you have a question about sendmail, then please post it to the Usenet group comp.mail.sendmail . This newsgroup is dedicated to sendmail. Please make sure you check the usual resources before posting and follow the netiquette. E-mail addresses to contact sendmail.org are (do _not_ send questions about sendmail to these addresses, see above instead; replace YYYY with the current year, e.g., 2006, in all of theseaddresses):
* sendmail-YYYY@support.sendmail.org for contributing patches, feature requests, and general comments but not questions how to use, install, or configure sendmail; * sendmail-bugs-YYYY@support.sendmail.org to report implementationbugs;
* sendmail-faq-YYYY@support.sendmail.org only for comments / questions about the FAQ. Please mark your mail clearly with "FAQ: item" where item is the entry in the faq to which you are referring. If it is a general comment about the FAQ, use "FAQ: general", if it is an addition, use "FAQ: new". * sendmail-security-YYYY@support.sendmail.org (use this only to report related bugs or problems in sendmail). Please do not use this to ask about problems with your configuration, including how to stop spam, how to set up your own certificate authority, how to make sendmail work with S/MIME, etc. All such questions should be asked in comp.mail.sendmail . Also, please do not tell us that you were able to forge mail by using telnet to connect to port 25; this is fundamental to the Internet design for SMTP, and not a sendmail bug. Please use encryption to send mail to this address. * sendmail-mirror-YYYY@support.sendmail.org for updates about a mirror (e.g., a new mirror or an address change). * webmaster-YYYY@support.sendmail.org for comments about thewebsite.
These are not open lists, meaning that subscription is by invitationonly.
DKIM
The Domain Keys Identified Mail (DKIM)Internet
standard enables email senders to digitally sign their messages so that receivers can verify that those messages have not been forged. The DKIM sender authentication scheme allows the recipient of a message to confirm a message originated with the sender’s domain and that the message content has not been altered. A cryptography-based solution, DKIM provides businesses an industry-standard method for mitigating email fraudand protecting
an organization’s brand and reputation at a relatively low implementation cost. DKIM has been approved by the IETF as a draft standard (RFC 4871). The protocol was developed through the cooperation of Sendmail, CiscoSystems and Yahoo!
Since being approved by the IETF, a new open source project was started. The OpenDKIM Project is a community effort to develop and maintain a C library for producing DKIM-aware applications and an open source milter for providing DKIM service. The project started from a code fork of version 2.8.3 of the opensource dkim-milter
package developed and maintained by Sendmail, Inc. The Sendmail Sentrion Message Processing Engine  comes standard with OpenDKIM. More information is available at opendkim.org  and dkim.orgList of Mirrors
How to Mirror
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