Re: DKIM and DMARC failing for Google/Yahoo users on your list

Charles Cazabon <[email protected]>
Newsgroups gmane.mail.getmail.user
Message-ID <[email protected]>
Mike Hodson <[email protected]> wrote:
> 
> For a few years, I've had a number of messages marked as spam by GMail, and
> in some cases, being entirely refused by Google's servers (Yahoo's quite
> strict p=reject dmarc/spf policy when any of their mail users sends mail to
> a list.)

Running a mail server at all in this day and age is a nightmare.  The big free
webmail providers just don't give a damn about interoperability; they care
whether their users can email each other, and to a lesser degree whether their
users can email recipients at the other big free providers.  Everyone else -
not so much.

> because if it DOES get spammed, I cannot, without knowing the details behind
> Google's "spam" classification (who nobody but them), in good faith mark the
> messages as "spam" manually as it might cause further delivery failures for
> your domain at Google in the future.

I wouldn't worry too much about that.  The big providers regularly refuse
email from my mail server simply because it's a Linode, i.e. guilt by
association.  My server has never sent spam, but that doesn't stop Microsoft,
Google, et al from blocking mail on a regular basis.

> However, I wonder if perhaps a small change on your end might not help the
> issue..

My mailserver is already running ezmlm-idx; I shared a cubicle for years with
Bruce Guenter, its author ;)  You can thank him for my initial interest in
email protocols.

Charles
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Charles Cazabon
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