On 30.09.19 11:40, Christos Chatzaras wrote:
Add this line to main.cf :
smtpd_sender_login_maps = hash:/usr/local/etc/postfix/smtpd_sender_login_maps
And then add to smtpd_sender_login_maps :
[email protected] [email protected]
This only validates envelope from headers according to SASL login names.
It's good to check, though.
On 30.09.19 14:12, Christos Chatzaras wrote:
Many spammers using hacked accounts use different "From" than the e-mail
address. So it helps in this case.
the problem is, people look on header "From:"
smtpd_sender_login_maps does NOT look at header "From:"
rarely someone notices they are different.
--
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