Kenneth at 19:04, 17 May 2014

2014-05-17T19:04:23Z

New page

== smtp ==

'''ssmtp''' - "ssmtp is a send-only sendmail emulator for machines which normally pick their mail up from a centralized mailhub (via pop, imap, nfs mounts or other means)"

'''ssmtp''' - "extremely simple MTA to get mail off the system to a mail hub. A secure, effective and simple way of getting mail off a system to your mail hub. It contains no suid-binaries or other dangerous things - no mail spool to poke around in, and no daemons running in the background. Mail is simply forwarded to the configured mailhost. Extremely easy configuration."

== Python Alternative ==

See [[ksmtp]]

== Installation ==

Redhat based:
# in [[EPEL]] repo
yum install ssmtp

Debian based:
apt-get install ssmtp

Replace sendmail:
mv /usr/sbin/sendmail /usr/sbin/sendmail.original
ln -s /usr/sbin/ssmtp /usr/sbin/sendmail

Test:
echo "hello world" | mail -s "test" kenneth@demo.oeey.com

== Configuration ==

Configuration file:
/etc/ssmtp/ssmtp.conf

Configuration man page:
man ssmtp.conf

=== Gmail ===

To relay mail though a gmail user:
AuthUser=[USERNAME]@gmail.com
AuthPass=[PASSWORD]
FromLineOverride=YES
mailhub=smtp.gmail.com:587
UseSTARTTLS=YES

To force all mail to a specific user:
Root=[EMAIL]
AuthUser=[USERNAME]@gmail.com
AuthPass=[PASSWORD]
FromLineOverride=YES
mailhub=smtp.gmail.com:587
UseSTARTTLS=YES

== References ==

* How To Use Gmail Account To Relay Email From a Shell Prompt - nixCraft - http://www.cyberciti.biz/tips/linux-use-gmail-as-a-smarthost.html
* How To Setup Email Alerts on Linux Using Gmail or SMTP - http://www.howtogeek.com/51819/how-to-setup-email-alerts-on-linux-using-gmail/
* Send SMTP email from Command Line Linux / SSMTP / GMAIL @ All Linux User's Blog - http://www.tejasbarot.com/2013/05/15/send-smtp-email-from-command-line-ssmtp-gmail/#axzz31z7eRhfd

== keywords ==

linux smtp smarthost email mail

[[Category:Linux]]

Ssmtp - Revision history

Kenneth at 19:04, 17 May 2014