On Thu, May 16, 2024 at 2:40 PM Odhiambo Washington via Exim-users <
exim-users@???> wrote:
>
>
> I think you could do proxy authentication with a local instance of Dovecot
> running on your Exim server.
>
> https://fuerstnet.de/post/2021-07-30-proxy-imap-pop-smtp-using-dovecot-and-postfix/
>
>
Yes, and this lets you use a persistent key-value store like Valkey or
Redis instead of passwd file if you wish.
In the paragraph starting with "Last todo is switching Postfix to
authenticate using Dovecot", there is an example for how to ensure that
authentication is available for the Postfix user. This can likely be
simplified a bit if the system has no other uses than being an SMTP server,
and only the system administrator has access. Example from dovecot.conf in
a Debuntu install:
service auth {
unix_listener auth-client {
user = Debian-exim
}
}
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