Kill the mailman2 server and put the mailman3 server in its place

With the final lists migrated to mailman3[1], the mailman2 server can finally be killed.

When the mailman3 server was initially setup[2], it was done on a separate server because the mailman and mailman3 packages conflicted, and the traffic was routed over wireguard (HTTP, LMTP and SMTP).

Instead of installing mailman3 on the original lists.al.org server and transferring the data, it was easier just to install the missing pieces (basically Postfix and adjusting the Nginx configuration) on the ml3 server and move the IPs (to keep the IP mail reputation).

So basically the following was done:

• The IPs for the original lists.al.org was moved to the mailman3.al.org server
• The mailman2 datadir was transferred to mailman3.al.org server, so we can keep the pipermail links alive, and import missing mails if needed
• The original lists.al.org server was decommissioned
• The mailman3.al.org server was renamed to lists.al.org
• The missing pieces was added to the mailman3 role (basically Postfix + Nginx adjustments)
• The mailman role was deleted and the mailman3 role renamed to mailman

[1] 75ac7d09 ("mailman: Fourth and final batch of mailman3 migrated lists") [2] 9294828f ("Setup mailman3 server")

Fix #59 (closed)

added 1 commit

• ea68cc76 - mailman3 whoop whoop

Compare with previous version

added 1 commit

• 695b34e2 - mailman3 whoop whoop

Compare with previous version

added 7 commits

• 695b34e2...22389d63 - 6 commits from branch archlinux:master
• 18177c53 - mailman3 whoop whoop

Compare with previous version

added 1 commit

• f21e4d2d - switch to xapian

Compare with previous version

added 1 commit

• a705452e - vault stuff

Compare with previous version

resolved all threads

added 6 commits

• a705452e...89c5e1af - 3 commits from branch archlinux:master
• ea3c01e8 - mailman3 whoop whoop
• 11140572 - vault stuff
• e2071996 - mailman: remove mta config (the default works)

Compare with previous version

added 21 commits

• e2071996...bede1044 - 18 commits from branch archlinux:master
• de002cbc - mailman3 whoop whoop
• f2539958 - vault stuff
• 15180879 - mailman: remove mta config (the default works)

Compare with previous version

added 10 commits

• 15180879...fe07dc0c - 8 commits from branch archlinux:master
• 6f8c4382 - mailman3 whoop whoop
• 61b48ce3 - mailman: remove mta config (the default works)

Compare with previous version

added 2 commits

• a3fa05f9 - Kill the mailman2 server and put the mailman3 server in its place
• 31911b4f - mailman: remove mta config (the default works)

Compare with previous version

approved this merge request

added 2 commits

• 1183090e - 1 commit from branch archlinux:master
• 42a80e4b - Kill the mailman2 server and put the mailman3 server in its place

Compare with previous version

marked this merge request as ready

changed title from Draft: mailman3 whoop whoop to Kill the mailman2 server and put the mailman3 server in its place

changed the description

approved this merge request

added 4 commits

• 42a80e4b...3c152709 - 3 commits from branch archlinux:master
• 893a95f3 - Kill the mailman2 server and put the mailman3 server in its place

Compare with previous version

merged

mentioned in commit ca181610