I have the UCS5.0 server with OpenProject installed, right. It is not configured to any specific domain. Just the local pattern it automatically creates.
I have configured on my local machine a local docker smtp server called mailcow.
I added my localhost ip to the site “meusite.com”.
I did a smtp test with python and it worked normally sending smtp under meusite.com and I received normally.
I configured my smtp in openproject as shown in the image.
Occasionally, messing with the settings within the Univention console, I identified an email configuration and added my domain, as shown in the image.
I thought this would solve my problem, but it didn’t.
I checked that my server time was late, I thought that might be the problem too, but it wasn’t.
I can ping mysite.com from inside the vm and it hits my localhost.
So when I send a test email, it gives the error below:
Checking the mail.log output, I got the following error:
Dec 22 23:10:19 ucs-5462 postfix/smtpd: connect from localhost[127.0.0.1] Dec 22 23:10:19 ucs-5462 postfix/smtpd: disconnect from localhost[127.0.0.1] helo=1 quit=1 commands=2 Dec 22 23:10:19 ucs-5462 postfix/pickup: F196F4861CC: uid=0 from=<root> Dec 22 23:10:19 ucs-5462 postfix/cleanup: F196F4861CC: message-id=<20221223021019.F196F4861CC@ucs-5462.xpto.intranet> Dec 22 23:10:19 ucs-5462 postfix/qmgr: F196F4861CC: from=<email@example.com>, size=714, nrcpt=1 (queue active) Dec 22 23:10:20 ucs-5462 postfix/local: F196F4861CC: to=<firstname.lastname@example.org>, orig_to=<root>, relay=local, delay=0.02, delays=0.01/0/0/0, dsn=2.0.0, status=sent (delivered to mailbox) Dec 22 23:10:20 ucs-5462 postfix/qmgr: F196F4861CC: removed
What could it be?