On Fri 11/Nov/2022 03:11:39 +0100 Douglas Foster wrote:
Gmail has been blocking dual-from messages for years, so the
practice has effectively been deprecated by the one player who is able to
make these decisions unilaterally and make them stick.
They still do:
550-5.7.1 [62.94.243.226] Messages with multiple addresses in From: header
are
550 5.7.1 not accepted.
ht21-20020a170907609500b0078e1e77f443si1407469ejc.418 - gsmtp
The question is whether they do so because of what we say or if we say so
because of what they do.
Best
Ale
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