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The mailing list probably appends a footer that breaks the DKIM signature. This has been a known issue for basically all mailing lists for quite some time.
by parliament32 7y ago
The mailing list probably appends a footer that breaks the DKIM signature. This has been a known issue for basically all mailing lists for quite some time.
- antsar 7y agoIsn't that easily solved by rewriting the From header and re-signing the email? Send it from: Some List on behalf of John Sender <list@example.com> ... instead of ... John Sender <john@other-example.com> And now the list software can generate its own (valid) DKIM signature. EDIT: Nevermind, listen to dbqpdb[0] instead. ARC sounds like a better way to go. [0] https://news.ycombinator.com/item?id=21420732#21422328 https://news.ycombinator.com/item?id=21420732#21422328
- jraph 7y agoBut you are right. This is what lists have been doing. They may also set the X-Original-From or X-Original-Sender headers. Google Groups does it anyway. ARC will be better than that though, of course.