On 2026-04-19 at 21:33:08 UTC-0400 (Mon, 20 Apr 2026 09:33:08 +0800)
2380189206 <[email protected]>
is rumored to have said:
I'm sorry, I made a mistake. DKIM is still verifying
christopherschultz.net.
But, munging the 'From' address does not affect the reply, because the
reply uses the `In-Reply-To` header.
No. In-Reply-To is a header that contains the message ID of the message
being replied to.
Munging 'From' by mailing list does often include putting the original
From into a *Reply-To* header, which causes replies to go to the
oauthopr instead of the mailing list.
By the way, if the DKIM is corrupted, this email should normally be
rejected, as it might sent from an attacker.
Hogwash.
Email often gets modified in technically important but harmless ways in
transit. For example, There is a very common Sendmail config which
re-encodes any mail arriving with non-ASCII to 7-bit-clean
Quoted-Printable. Some MTAs will re-wrap and re-encode messages with
over-long lines.
--
Bill Cole
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