Casper

I recommend, not to use the default repo of your distribution for Docker installation. If you use the repo directly from Docker, you'll get a much more recent docker version....

I fired up a rocky test VM, installed docker/docker-compose and took the DMS default configuration (with the exception of `ENABLE_FAIL2BAN=1`) I couldn't reproduce the same behaviour yogo1212 reported, but fail2ban...

You could try: `TLS_LEVEL=intermediate` See also: https://community.letsencrypt.org/t/ssl-accept-error-postfix/85423/8 Maybe the new certificates are ECDSA and that is causing problems?

Another workaround: `NAME= ./setup.sh`

Maybe related: on mobile the footer is cut off after "Terms & Conditions".

How did you confirm, that **no** spam at all is detected? What happens, when you send yourself an email with the content ``XJS*C4JDBQADN1.NSBN3*2IDNEN*GTUBE-STANDARD-ANTI-UBE-TEST-EMAIL*C.34X``?

Sorry, I don't have an idea at the moment. Regarding the "cryptic" message: >The GTUBE ("Generic Test for Unsolicited Bulk Email") is a 68-byte test string used to test anti-spam...

> .. and am not sure if I should let 25 open Closing port 25 will ultimately block SPAM, but also all other legitimate mails 😉

Could you please update your initial post, with a short "tl;dr", that contains the new findings. So that not everyone have to read the whole thread 😉.

> In addition, why does /var/mail and /var/mail-state have 777 permissions? Why do you think it is this way? I cannot confirm this. My files to not have 777 permission....