Enable extra VERP probes in Mailman

This should cut down on, if not entirely eliminate, subscriptions
getting disabled due to DMARC errors or rejected moderation notices
that quote spam in them.

https://docs.mailman3.org/projects/mailman/en/latest/src/mailman/config/docs/config.html#verp-probes

Change-Id: Ifba0ca0f83907b201c9313c93443a4565141bf7c
This commit is contained in:
Jeremy Stanley 2024-12-02 19:09:24 +00:00
parent 242322f07c
commit e84e8d2ff4

View File

@ -5,13 +5,17 @@
# a human.
site_owner: "root@{{ ansible_fqdn }}"
# We set this to less than the Exim's smtp_accept_queue_per_connection value.
[mta]
# We set this to less than the Exim's smtp_accept_queue_per_connection value.
max_recipients: 45
# When a recipient's bounce score reaches the configured threshold for the
# list, send a VERP probe to make sure it wasn't the content which got rejected
# and that their mailserver really doesn't want anything sent from us at all.
verp_probes: yes
[runner.out]
# The outgoing runner is what is responsible for sending email. By default
# there is only one instance of this runner. We have seen some emails get
# queued up for 5-10 minutes in lists with larger membership. Increase this
# value to 4 to improve outgoing mail throughput.
[runner.out]
instances: 4