On Thu, Mar 26, 2026 at 02:15:47PM +0000, Sad Clouds wrote:
> I guess as far as Postfix is concerned, MUA is also an MTA, and any MUA
> can send mail on port 25 without SASL if it chooses so.
More accurately, on port 25 everyone is an SMTP *client*, whether the
client is an MUA or MTA is its own business, Postfix has no way to tell
and does not care.
--
Viktor. 🇺🇦 Слава Україні!
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