Skwotmail hosts our email server. No lists are handled there, but redirections to lists happen here. So only email accounts and aliases lie on skwotmail.
Lists are hosted at puscii. See sympa.
Specs
- OS: Ubuntu 22.04
- Mail system: Zextras.
Special settings
In the previous machine hosted by Hivane, I can't remember why, but I did
zimbra:~$ zmlocalconfig -e postfix_smtp_tls_security_level=may
See https://www.postfix.org/postconf.5.html#smtp_tls_security_level