Thanks to all who responded. I have learned a lot! On Sunday, September 25, 2022 4:57:19 P.M. CDT Russ Allbery wrote:
> Steven Robbins <st...@sumost.ca> writes: > > To re-iterate: mail sent today to my debian address from outside debian > > came through OK. Mail sent from bugs.debian.org apparently does not. I > > think if there were any issue with the incoming email server (e.g. the > > DMARC thing that Andrea Pappacoda referenced) that would affect all > > email to me at debian, wouldn't it? > > No, the annoying thing about the DMARC problem is that its effect depends > on the configuration settings of the person sending the email. Oh! OK. So Adam Barratt found a log somewhere that confirms my ISP is blocking the sender. > If someone sends mail from a domain that says all mail from that domain > will always have good DKIM signatures, and if the signature isn't present > or doesn't validate the mail should be rejected, and that message is > forwarded through bugs.debian.org to someone whose mail server honors > DMARC settings, the mail will be rejected. That's because the process of > modifying the message in the way that bugs.debian.org needs to do (adding > the bug number to the Subject header, for instance) usually breaks the > signature. So are you effectively confirming this is indeed the DMARC bug [1] filed in 2014? [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=754809 > If you send mail from a domain that has a more relaxed (or no) DMARC > configuration, then your mail will go through fine and you'll not see the > problem. Well, OK. But I'm the recipient not the sender so this advice is hard to implement :-) -Steve
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