Difference between revisions of "sendmail"

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(STARTTLS)
 
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==About==
 
==About==
 
[[sendmail|Sendmail]] is a [[free/open-source]] [[email server]] that handles both relay and delivery. The documentation is very detailed but also unclear on many critical points.
 
[[sendmail|Sendmail]] is a [[free/open-source]] [[email server]] that handles both relay and delivery. The documentation is very detailed but also unclear on many critical points.
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If you want to use Sendmail from the command-line as a way of generating test messages, see [[Postfix/fixing]] or [https://tecadmin.net/ways-to-send-email-from-linux-command-line/ 5 Ways to Send Email From Linux Command Line]. (The latter method works even when Sendmail is actually Postfix.)
 
==Notes==
 
==Notes==
 
* [[/features]] are invoked and configured in the [[/files/sendmail.mc|sendmail.mc file]]
 
* [[/features]] are invoked and configured in the [[/files/sendmail.mc|sendmail.mc file]]
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* [[/macros]] are used in various places
 
* [[/macros]] are used in various places
 
* [[/procmail]]: still trying to figure out how to get these to work together
 
* [[/procmail]]: still trying to figure out how to get these to work together
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* [[/SSL]]: configuring secure connections
  
 
==Links==
 
==Links==
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* {{wikipedia}}
 
* {{wikipedia}}
 
* [http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.cmds/doc/aixcmds5/sendmail.htm IBM AIX]: not sure if this is standard sendmail
 
* [http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.cmds/doc/aixcmds5/sendmail.htm IBM AIX]: not sure if this is standard sendmail
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* [https://help.dreamhost.com/hc/en-us/articles/216687518-How-do-I-use-Sendmail- How do I use Sendmail?]
  
 
===How To===
 
===How To===

Latest revision as of 16:06, 17 September 2021

About

Sendmail is a free/open-source email server that handles both relay and delivery. The documentation is very detailed but also unclear on many critical points.

If you want to use Sendmail from the command-line as a way of generating test messages, see Postfix/fixing or 5 Ways to Send Email From Linux Command Line. (The latter method works even when Sendmail is actually Postfix.)

Notes

Links

Reference

How To

Notes

To enable sendmail to use STARTTLS, you need to:
1) Add this line to /etc/mail/sendmail.mc and optionally
   to /etc/mail/submit.mc:
  include(`/etc/mail/tls/starttls.m4')dnl
2) Run sendmailconfig
3) Restart sendmail