> However - from my viewpoint, the Username used in the authentication
> "[email protected]" should be the same as the "From".. i.e. <=
> [email protected].
> Is there a neat way to drop emails when the "From" is not the same as
> the PLAIN authenticated name?
so some of the spammers will adapt and send matching. been down this
rabbit hole.
i do not allow passwords for shell and use the
server_condition = ${if
crypteq{$auth3}{${lookup{$auth2}lsearch{/usr/local/etc/mailpass}}}}
putting only smtp senders in the auth file.
and then i monitor volume carefully and ring alarms
randy
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