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I've searched and there is a lot of partial information on this topic. But I couldn't find a single guide saying: "Here's how to pass DMARC when Groups.io sends emails in your name".

Is it even possible?

I have complete control over my domain and can create a dedicated subdomain to get the alignment right, if necessary.

Thanks in advance!

-- Chad Cloman

On Wed, Mar 2, 2022 at 12:14 PM, Chad Cloman wrote:

I couldn't find a single guide saying: "Here's how to pass DMARC when Groups.io sends emails in your name".

Is it even possible?

I have complete control over my domain

It sounds like you have a domain with an email server that's not accepting emails from Groups.io.? GIO only changes the from address to be "via groups.io" when the expected destination is a known DMARC entity with a setting other than p=none.? If your email server has a DMARC of p=reject or p=quarantine, the solution may be as simple as notifying [email protected] and they'll rewrite headers for all messages sent to it.?

If that's not what you need to know, a bit more detail might help.

Duane
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Lots of detailed information can be found in the Owners Manual and Members Manual.

Thank you for the response. Yes, I can see that more information is required.

I looked at the groups.io website Help section and didn't find anything useful. It seems to provide basic information and then recommends this group for more technical questions. If you could point me toward actual groups.io DMARC documentation that would be great.

Additional Background

I'm not a group owner; rather, I'm a user. But the majority of the historical DMARC questions were in this group so I posted here.

The problem is that when I, as user@..., post a message via email, groups.io then sends out a bunch of emails in my name and they all fail DMARC validation and I get a ton of DMARC failures.

Question #1 (DMARC)

Yesterday I changed my disposition from 'none' to 'quarantine'. If I read your reply correctly, that may solve my problem. Is that correct?

Question #2 (SPF)

What about SPF? Is it recommended to add the groups.io mail servers to the SPF record? I found conflicting answers during my search.

If so, what are the current mail server IPs?

Closing

Thank you so much! I'd like to get this resolved and it seems like I'm in the right place.

-- Chad

On Wed, Mar 2, 2022 at 02:13 PM, Chad Cloman wrote:

I'd like to get this resolved and it seems like I'm in the right place.

Unfortunately, there doesn't seem to be one place on GIO where all the information can be found.? I'm not much of a DMARC person, so about the best thing I can think of is for you to go through the topic at /g/GroupManagersForum/topic/75997052.? It looks like it was resolved there, so may give you some ideas.

Duane
--
Lots of detailed information can be found in the Owners Manual and Members Manual.