How do I use alternatives to switch MTAs (Mail Transport Agent)?
The alternatives
system manages many packages in the distribution that provide the same services. For example, both Sendmail and Postfix provide electronic mail support, but only one of them should be used at a time on a single machine.
In order to select between Sendmail or Postfix, change the symlink for /etc/alternatives/mta
. This is normally done with the <...>
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