1 Feb
2023
1 Feb
'23
6:49 p.m.
One more, sorry:
Looking in the mailman-users archive, I'm not sure if I understand the bounce settings.
Is it the case that if I set the 'Bounce info stale after' to 3d then in 3 days the bounces will be reset to 0 if no further bounces have arrived? I saw a post that made me doubt this.
Yours, Allan
On 2/1/23, 09:59, "Mark Sapiro" <mark@msapiro.net> wrote:
On 1/31/23 22:32, Allan Hansen wrote:
> Hi all,
>
> Apparently Google just started to get very aggressive about DKIM settings. Some hundreds of my subscribers have had their subscriptions disabled because of Google's bounces.
>
> I tried to 'Enable' some of them, expecting that their bounce scores would be reset, but when I list the users, the bounce scores are still 5.
>
> Please advise. Will enabling them without the bounce score being reset just cause the server to disable them again.
Yes, Google has started enforcing a policy which is effectively DMARC
p=reject even for senders whose domains don't publish DMARC p=reject or
quarantine.
To avoid this issue, you may need to set DMARC Mitigate unconditionally
to Yes as well as DMARC mitigation action to Replace From: with list
address if it isn't already.
As far as enabling without resetting the bounce score is concerned, I
think you are correct that they will just be disabled again on the next
bounce. This is a bug and should be fixed.
However, all of the above can be avoided without any DMARC changes by
enabling bounce probes. in the [mta] section of mailman.cfg, set
```
verp_probes: yes
```
Since the probe is sent From: the list's domain, it should pass googles
SPF and DKIM checks and not bounce.
--
Mark Sapiro <mark@msapiro.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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