I created a new list with this setting. This new created list can send to Gmail addresses, this is very strange, because I have changed the problem list (The list that cannot send to @gmail addresses) settings to match the new one, but still the issue is there. The only difference is that the problem list has been imported from mailman2.
Question: is there a command line that displays all the settings of a list? I think it might be some hidden settings that are not visible in the UI?
Thanks Mohsen
From: Mohsen Masoudfar <mmasoudf@aaas.org> Sent: Wednesday, September 6, 2023 1:32 PM To: Mark Sapiro <mark@msapiro.net>; mailman-users@mailman3.org <mailman-users@mailman3.org> Subject: Re: [MM3-users] Re: Issues with @gmail.com addresses
Thank you Mark for your response as always!
I checked the lists having the issue of sending emails to @gmail.com subscribers. They had already these settings (so no changes): DMARC Mitigate unconditionally : yes DMARC mitigation action: Replace From: with list address DMARC rejection notice: empty DMARC wrapped message text: empty
I wonder three points:
- What would be the next action to fix the issue?
- This issue started around the beginning of August. Could it be due to some changes google made recently?
- Give the number of Gmail users, this should annoy a bigger community, are you seeing that many upset people?
Thanks, Mohsen
From: Mark Sapiro <mark@msapiro.net> Sent: Tuesday, September 5, 2023 4:17 PM To: mailman-users@mailman3.org <mailman-users@mailman3.org> Subject: [MM3-users] Re: Issues with @gmail.com addresses
[EXTERNAL EMAIL]
On 9/5/23 12:59, Mohsen Masoudfar wrote:
Hi,
since 8/1/2023 I get complains from users with @gmail.com addresses, that they are not getting any emails. I checked the logs and I see that the emails are going out:
to=<xxxx@gmail.com>, relay=email-smtp.us-east-1.amazonaws.com[35.169.171.20]:587, delay=0.46, delays=0.03/0.06/0.13/0.24, dsn=2.0.0, status=sent (250 Ok xxx )
But it seems the users are getting email delivered to them. I’ve advised them to check their spam, promotions, and social folders and to add the list address to their email safe-senders lists, but still no success. Is there any way to help this list members?
Even though gmail publishes a DMARC policy of none, it has recently started enforcing a stricter policy for mail From: the gmail.com domain. You need to apply DMARC mitigations to mail From: the gmail.com domain. There are two ways to do this.
One way is to set DMARC Mitigations -> DMARC Mitigate unconditionally to Yes (and set DMARC mitigation action appropriately)
The other way requires upgrading Postorius and Mailman core to the heads
of the GitLab branches (core=3.3.9b1, postorius=1.3.9b1). Doing this
enables a DMARC Addresses setting which can be set to ^.*@gmail\.com$
to apply DMARC mitigatations to mail From: the gmail.com domain
regardless of it's published policy.
-- 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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