<quote who="Erik de Castro Lopo">
> How do I set up each end so only my authorized hosts can relay through my
> main server. Postfix seems to have TLS and SASL, but from my reading so
> far I can't really tell it these are a solution to my problem.
So once you've set up authentication (a different issue altogether -- I
would recommend using the dovecot integration on the "server" side), you
need to allow authenticated hosts to connect and send:
smtpd_client_restrictions =
smtpd_helo_restrictions =
smtpd_sender_restrictions =
smtpd_recipient_restrictions =
...
permit_mynetworks
permit_sasl_authenticated
...
(The ellipses represent the usual gumpf you put in s_r_r to protect your
mail server from spammage and abuse.)
- Jeff
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