On 2021-07-02 17:05, Marek Kozlowski wrote:
I'd like to disable any mail from 'my.domain' from external networks
and non authenticated users...
...delivered to my users.
basicly all local senders in recipient maps is forged senders on port 25
?
easy to fix :=)
with postfixadmin:
check_sender_access proxy:pgsql:/path-to-sql-maps/virtual_alias_maps
result from this map most return
REJECT 5.5.x Forged sender in port 25 is not allowed....
poormanns spf check without dns
this check must not be done for sasl auth users
more help needed ?, show logs