14 Dec
2023
14 Dec
'23
10:30 p.m.
"bob" == bob B via Mailman-users <mailman-users@mailman3.org> writes:
bob> I am running MM3 and have a list that has users from different bob> organizations and email domains. So let's say I am orga.com and bob> hosting mailman Bill is borg.com Cindy is mew.com
bob> When Bill sends a message to my MM3 list it gets sent out, bob> However, cindy's email system rejects it cause it sees the bob> message is sent from Bill@borg.com but it came from my MM3 server bob> which is under orga.com, so it rejects it.
Set up 'DMARC mitigation' in the lists setting to 'Replace From: with list address'
That should fix it.
Peter C