Karol Augustin <ka...@augustin.pl> wrote on 20.02.2018 at 13:26: > So if there is alias configured to deliver to particular user than user > can send e-mail from this address, but not from any address (gmail.com), > and not from his colleague's address, even if it is in the same domain. > > So I agree, 1-to-1 mapping is bad but I disagree that complete freedom > for authenticated users is good.
Has this been discussed already: http://www.postfix.org/postconf.5.html#smtpd_sender_login_maps br, Petri
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