Hi users, i want to ask you about your postfix configuration, which servers in recipient restrictions you use? Today next one from my list is down, and i dont know source of this server list..My config is here Code: smtpd_recipient_restrictions = reject_invalid_hostname, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_rbl_client multi.uribl.com, reject_rbl_client dsn.rfc-ignorant.org, reject_rbl_client dul.dnsbl.sorbs.net, reject_rbl_client list.dsbl.org, reject_rbl_client sbl-xbl.spamhaus.org, reject_rbl_client bl.spamcop.net, reject_rbl_client dnsbl.sorbs.net, reject_rbl_client blackholes.easynet.nl, reject_rbl_client cbl.abuseat.org, permit I search for reliable source, sometime happens one of this in list is down, and mail is automaticaly rejected :/
This is what I am currently using for my postfix v2.x and seems to be working well for the time being. Code: smtpd_helo_required = yes disable_vrfy_command = yes strict_rfc821_envelopes = yes invalid_hostname_reject_code = 554 multi_recipient_bounce_reject_code = 554 non_fqdn_reject_code = 554 relay_domains_reject_code = 554 unknown_address_reject_code = 554 unknown_client_reject_code = 554 unknown_hostname_reject_code = 554 unknown_local_recipient_reject_code = 554 unknown_relay_recipient_reject_code = 554 unknown_sender_reject_code = 554 unknown_virtual_alias_reject_code = 554 unknown_virtual_mailbox_reject_code = 554 unverified_recipient_reject_code = 554 unverified_sender_reject_code = 554 smtpd_recipient_restrictions = reject_invalid_hostname, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_rbl_client zen.spamhaus.org, permit
I know i do that like article says but, where you find these reject_rbl_client servers? some of them isnt actualy or dont response and then droping my mails :/
You can find them here http://spamlinks.net/filter-dnsbl-lists.htm also you might look into implementing SPF checks. http://www.howtoforge.com/postfix_spf