hi all with postscreen i experience the following problem: it blocks mail from hotmal as following (from mail log)
Mar 19 10:17:19 relay1 postfix/postscreen[10619]: NOQUEUE: reject: RCPT from [65.55.116.21]:55820: 450 4.3.2 Service currently unavailable; from=< x...@hotmail.com>, to=<x...@example.com>, proto=ESMTP, helo=< blu0-omc1-s10.blu0.hotmail.com> this happens to mail from Gmail at random i'm running postfix-current-2.9.20111219,4 on freebsd postscreen config is as follows: content_filter = amavisd-new:[127.0.0.1]:10024 postscreen_access_list = permit_mynetworks, cidr:/usr/local/etc/postfix/postscreen_access.cidr postscreen_dnsbl_threshold = 2 postscreen_dnsbl_sites = zen.spamhaus.org*2 bl.spamcop.net*1 postscreen_dnsbl_action = enforce postscreen_greet_action = enforce postscreen_pipelining_enable = yes postscreen_non_smtp_command_enable = yes postscreen_bare_newline_enable = yes is there any way to whitelist sender domain or recipient domain i don't get any clue on the above; appreciate assistance thanks -bharathan