> On July 19, 2018 at 9:41 AM David Favor wrote:
>
>
> Working out upgrade of old 1.x + 2.x Dovecot installs to
> latest 2.3.2.1 out of Ubuntu Bionic repositories.
> ___
>
> https://wiki.dovecot.org/Services suggests Dovecot can
> be used for full mail infrastructure, avoiding the
> complexity of exim4 or other MTA setup/management.
>
> Let me know if I understand this correctly.
>
> 1) https://wiki.dovecot.org/Submission can be used to
> listen on port 25 + port 587 (with auth).
This is a proxy only. For any non-local delivery, you still need a submission
server to deliver (and queue) mail remotely. That requires a full SMTP service
running somewhere.
> 2) https://wiki.dovecot.org/Pigeonhole can be used for
> filtering, including forwarding email to other machines.
>
> 3) https://wiki.dovecot.org/Pigeonhole/ManageSieve/Configuration
> can be used to forward off machine email, for example flowing
> through a relay service like MailGun, using a simple script
> or service like ESMTPD.
>
> 4) https://wiki.dovecot.org/LMTP can be used to deposit messages
> into filesystem as Maildir or dbox or mdbox backing stores.
michael
