Nextcloud AIO vs mailcow Snappymail works, mailapp fails

Hi,

In this topic I got the mail app working for the first time (Nextcloud mail docker dovecot).
3 month ago it stopped working and now I partially got it working again, here’s my problem description:

I am running Nextcloud AIO and Mailcow, mailcow is up to date, Nextcloud is still on 28 (awaiting the normal upgrade to 29).

Both are running in their own docker network, so I had to give Mailcow double network adresses for the services used by Nextcloud mail, Dovecot and Postfix and allow the Nextcloud network to connect to the services. The adresses got lost 2 month ago (I suspect) In a container upgrade since the last time and this is how I got it working again, at least somehow.

I am able to connect Snappymail over IMAP to dovecot and I am also able to connect to postfix, shown in the logging of Postfix.

I am able to connect Nextcloud Mail over IMAP to Dovecot, but Postfix only mentions chunking, Nextcloud log only mentions “Server requires Authentication”.

Using the mail app horde Imap client exceptions are logged as well as allowed memory size exhausted loggings.

When enabling debugging (debug on and loglevel 0 in config.php) no extra logs are created, aside the nextcloud.log, so no trail can be found of why the mail app is failing to authenticate.

In Snappy mail under domains I configured exactly the same settings (servername, port authentication protocol) as I did in the mailapp regarding IMAP and SMTP.

How to troubleshoot this, or how to reset the mailapp fully (remove app and settings and reinstall / reconfigure)?

Thanks again for your thoughts!

After re-enabling the mail app.


I think all mail-app related database items need to be removed, snappymail is very snappy at the same time.

Is this the wrong place to ask about the Mailapp?

Your in the right place, just for as many years I been using nextcloud, they have been in denial of how poorly the mail app works. It is the weak link of this platform by far. If they actually fixed it, then they really be on to something. But every question, ask for assistantance gets marked solved and they just continue to deny it. Its bizarr.

Pity this is the experience.
And difficult to deny as the feedback here is almost nothing.
I opened two threats about this topic, discovered a bug in the server config window (smtp authentication does not authenticate on testing, it just checks the ports).

I wonder if they are not taking up too much functionality, what also is spreading the attention in the community. Too less attention in the community is hurting the product also commercially, as fewer solutions are available for issues.