Migrating from Mailman 2.1 to Mailman 3 — Mailman Suite 3.0 documentation
Virtual hosting support, with no list name restrictions (you cannot have the same listname on one machine, integration of SSL)
Single user account to manage all subscription addresses
Users can specify a preferred...
I don't know how good your german is but I wrote an article how to secure mail server for each domain Plesk Onyx und der Mailserver
In case of postfix you need an IP per Domain to secure them with the correct certificate.
A solution could be if the hosting account has an dedicated IP adress, the domain's certificate for the mail server could be used. For shared IP adresses it would use the servers standard certificate.
I depleoyed the update to my servers and it ran through without any errors.
- The DKIM problem for maillinglists is not resovled yet
- My view is different from this...