I tried with example.com FILTER csmtp:172.16.141.29
But still I have same error postfix/smtp[10526]: connect to 172.16.141.29[172.16.141.29]:25: Connection refused Regards, Shameem --- On Thu, 10/6/10, Wietse Venema <wie...@porcupine.org> wrote: > From: Wietse Venema <wie...@porcupine.org> > Subject: Re: Mail Delivery Using FILTER in access table > To: "Postfix users" <postfix-users@postfix.org> > Date: Thursday, 10 June, 2010, 10:23 PM > Shameem Ahamed: > > smtpd_sender_restriction = > > check_sender_access > hash:/etc/postfix/access.cf > > > > Where access.cf contains the below line > > > > example.com > FILTER csmtp:127.0.0.1 > > > > cstmp is a clone of smtp, and the corresponding entry > in master.cf is > > > > csmtp unix - > - > n - > 300 smtp -o > smtp_bind_address=172.16.141.29 > > That won't work when there is no path from 172.16.141.29 to > 127.0.0.1. > > Wietse >