Hi All, Here is my postscreen section of my config:
# POSTSCREEN postscreen_access_list = permit_mynetworks, cidr:/etc/postfix/postscreen_access.cidr postscreen_denylist_action = enforce postscreen_greet_wait = 10s postscreen_allowlist_interfaces = !x.x.x.x static:all postscreen_greet_action = enforce postscreen_dnsbl_threshold = 3 postscreen_dnsbl_action = enforce postscreen_dnsbl_sites = zen.spamhaus.org*3 bl.spamcop.net*3 dnsbl-1.uceprotect.net*3 hostkarma.junkemailfilter.com=127.0.0.2*3 b.barracudacentral.org=127.0.0.[2..11]*2 dnsbl.sorbs.net*2 bl.spameatingmonkey.net*2 bl.spamcop.net*1 bl.mailspike.net*1 hostkarma.junkemailfilter.com=127.0.0.3*1 list.dnswl.org*-5 As you can see, there are no "deep tests" allowed, but sometimes it still sends 450 back, like in this case: May 07 01:59:38 mail postfix/postscreen[7389]: NOQUEUE: reject: RCPT from [209.85.221.44]:48443: 450 4.3.2 Service currently unavailable; from=< x...@gmail.com>, to=<x...@domain.com>, proto=ESMTP, helo=< mail-wr1-f44.google.com> How this could happen ? Thanks, Mitya
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