> Here's the entirety of my main.cf postscreen section for reference. I've > deemed these safe, but you shouldn't enable them without reading what they > do! > > > # > # Postscreen settings > # > > postscreen_greet_action = enforce > > postscreen_dnsbl_sites = > psbl.surriel.com, > bl.spamcop.net, > zen.spamhaus.org, > b.barracudacentral.org > > postscreen_dnsbl_threshold = 1 > postscreen_dnsbl_action = enforce > > > ## > ## Deep protocol tests > ## > > postscreen_pipelining_enable = yes > postscreen_pipelining_action = enforce > > postscreen_non_smtp_command_enable = yes > postscreen_non_smtp_command_action = enforce > > postscreen_bare_newline_enable = yes > postscreen_bare_newline_action = enforce
I've looked up each of those parameters and they sound fine to me. How long have you been running them? Have you been notified of any mistakenly rejected mail? It's very important my server doesn't miss any mail, even if it means dealing with more spam. - Grant
