On Thu 31/Dec/2020 18:51:10 +0100 John R Levine wrote:
The main effect is that the mail they'd been sending from their ESP
with their Yahoo address on the From: line used to work, and now falls
on the floor or worse.
Why can't the ESPs do From: rewriting?
To what? The Yahoo address is the only address the scout troop has?
Copy that to Reply-To: and write a mangled From: that looks troopy but passes
DMARC. Just like MLMs do.
Best
Ale
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