I've not configured third party software, content filter configured using header_checks = pcre:/etc/postfix/header_checks
this rejects mails if any keyword defined in header_checks triggers. Thanks, Ramesh ________________________________ From: DTNX Postmaster <postmas...@dtnx.net> To: "postfix-users@postfix.org users" <postfix-users@postfix.org> Sent: Tuesday, 16 April 2013 3:56 PM Subject: Re: content restriction On Apr 16, 2013, at 11:08, Ramesh <itsrames...@yahoo.co.in> wrote: > I have configured content filter to block spam at mta level, to reject mails > header subject, recently our client sent a mail with subject "pharmacy > school" mail is rejected triggering keyword pharmacy. > > I would like to know how to white list domains bypassing content filter. This is most likely not done by Postfix itself, but by third party software. Check the documentation for the content filter software in use. Cya, Jona