what more do i need?
smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination
That's it for this one? Yikes. But I guess if this is behind your ISP, you have different needs?
There is a whole slew of other things you should add to that. You should read the postfix docs and browse the archives of the postfix-users list, as this has been covered litterally thousands of times. Just one example is:
http://www.stahl.bau.tu-bs.de/~hildeb/postfix/postfix_mailhub.shtml
But you'll find lots more in the docs and mailing list archives.
-paul
what about this?
smtpd_recipient_restrictions = reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, permit_mynetworks, reject_unauth_destination, reject_unauth_pipelining, reject_invalid_hostname, reject_non_fqdn_hostname, reject_rbl_client relays.ordb.org, reject_rhsbl_sender dsn.rfc-ignorant.org reject_rbl_client bl.spamcop.net, reject_rbl_client cbl.abuseat.org, reject_rbl_client sbl.spamhaus.org, reject_rbl_client relays.ordb.org, reject_rbl_client nigeria.blackholes.us, reject_rbl_client cn.rbl.cluecentral.net, reject_rbl_client brazil.blackholes.us, reject_rbl_client xbl.spamhaus.org, reject_rbl_client blackholes.mail-abuse.org, reject_rbl_client relays.mail-abuse.org, reject_rhsbl_sender dsn.rfc-ignorant.org, warn_if_reject reject_unknown_client, reject_rhsbl_client dsn.rfc-ignorant.org, reject_rbl_client dnsbl.sorbs.net, reject_rbl_client dnsbl.njabl.org, reject_rbl_client dul.dnsbl.sorbs.net, reject_rbl_client opm.blitzed.org, reject_rbl_client list.dsbl.org, reject_rhsbl_sender dsn.rfc-ignorant.org permit
is that better? that "reject_unknown_client" wont mess with my catchall will it?
Better, yes. I would move reject_unknown_client above your rbl checks. It validates the client's hostname and has nothing to do with any catchall for addresses on your domain(s). I would recommend that if possible, you do not use a catchall, as you will only be looking at lots of spam and viruses and if you bounce any of it, you will be contributing to the rather annoying backscatter problem. That is, you may want to look at local_recipient_maps. The better place to ask is on the postfix list.
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