[TriLUG] Mailing list changes to mitigate DMARC rejections

[Randy Barlow via TriLUG]

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On 02/13/2015 09:58 AM, Jack Hill via TriLUG wrote:
> Recently, Yahoo and other large mail exchanges have begun
> rejecting messages whose message contents are not authenticated by
> the DMARC signatures as an anti-spam measure. The TriLUG mailing
> lists break the DMARC signatures by adding a tag to the subject
> line and the mailing list footer. To work around this policy, I
> have configured mailman to re-write the From: header so that mail
> sent via the mailing list will not appear to come from a domain
> that implements DMARC, so DMARC signatures will not be checked and
> Yahoo users will again be able to receive our mail.

Would we be willing to consider removing the Subject and body munging
instead of changing the From: header? I personally find the From:
header to be useful when searching for mail. Sometimes I can remember
"So-and-so wrote that e-mail a while back" and find it by searching
for them by name. Personally, I'd rather sacrifice the footer and
Subject: [TriLUG] header for searchability. I'm sure not everyone agrees ☺

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R
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