On Sun, 24 Apr 2022 09:06:11 +0800, ミユナ (alice) stated: >Shawn Heisey wrote: >> My setup is virtual users in a postfixadmin database. Dovecot does >> all authentication, even with posfix. I believe the config snippets >> I have included below are the relevant things that make it possible >> for postfix to talk to dovecot for mail delivery and authentication. >> >> Mail sent from localhost on port 25 does not require authentication >> on my system, because 127.0.0.0/8 is in postfix's mynetworks config >> and port 25's access restrictions include permit_mynetworks. >> Anything sent via submission (port 587) does require auth, even from >> trusted networks. If you can configure your webmail to use >> submission instead of smtp, maybe that can be authenticated. You'll >> need to consult support resources for your webmail to see if that is >> possible. I can say for sure that roundcube can do it ... I have >> roundcube configured to talk to port 587, which as mentioned, ALWAYS >> requires authentication. >> >> When postfix sends mail to dovecot for delivery, I'm pretty sure >> that happens without authentication. It's LMTP via unix socket, not >> something an outside client can access directly. > > >Thank you. that's good suggestion. > >regards.
These URLs might prove useful. https://wiki2.dovecot.org/HowTo/PostfixDovecotLMTP https://doc.dovecot.org/configuration_manual/protocols/lmtp_server/#lmtp-server https://doc.dovecot.org/configuration_manual/howto/postfix_dovecot_lmtp/ I also use Postfix/Dovecot with LMTP. -- Jerry