Difference between revisions of "sendmail"
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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. | ||
| + | |||
| + | 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]] | ||
| Line 12: | Line 14: | ||
* [[/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 | ||
| + | * [[/SSL]]: configuring secure connections | ||
==Links== | ==Links== | ||
| Line 23: | Line 26: | ||
* {{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 | ||
| + | * [https://help.dreamhost.com/hc/en-us/articles/216687518-How-do-I-use-Sendmail- How do I use Sendmail?] | ||
===How To=== | ===How To=== | ||
* [http://www.linuxserverhowto.com/linux-mail-server-sendmail/configure-sendmail.html Linux Server How To - Configure Sendmail] | * [http://www.linuxserverhowto.com/linux-mail-server-sendmail/configure-sendmail.html Linux Server How To - Configure Sendmail] | ||
** [http://www.linuxserverhowto.com/linux-mail-server-sendmail/sendmail-linux-mail-server-spam-control.html Linux Server How To - Filtering Spam on a Sendmail Mail Server]: suggests installing [[SpamAssassin]], but doesn't say how to get it working with sendmail | ** [http://www.linuxserverhowto.com/linux-mail-server-sendmail/sendmail-linux-mail-server-spam-control.html Linux Server How To - Filtering Spam on a Sendmail Mail Server]: suggests installing [[SpamAssassin]], but doesn't say how to get it working with sendmail | ||
| + | ==Notes== | ||
| + | <pre> | ||
| + | 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 | ||
| + | </pre> | ||
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
- /features are invoked and configured in the sendmail.mc file
- /files: files used by sendmail
- /macros are used in various places
- /procmail: still trying to figure out how to get these to work together
- /SSL: configuring secure connections
Links
Reference
- home page redirects here
- Introduction (configuration)
- OSTYPE: documents a lot of config directives. Is "OSTYPE" a config-file section, or what?
- Features (configuration thereof)
- SMTP authorization
- Anti-Spam Configuration Control
- Wikipedia
- IBM AIX: not sure if this is standard sendmail
- How do I use Sendmail?
How To
- Linux Server How To - Configure Sendmail
- Linux Server How To - Filtering Spam on a Sendmail Mail Server: suggests installing SpamAssassin, but doesn't say how to get it working with sendmail
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