Thanks for the fast reply. I fixed the logging issue.
>From the /var/log/maillog Apr 3 23:32:11 mail postfix/smtp[6451]: 96B0EB8: to=<df...@yahoo.com>, relay=b.mx.mail.yahoo.com[66.196.97.250]:25, delay=0.38, delays=0.28/0.01/0.05/0.04, dsn=5.0.0, status=bounced (host b.mx.mail.yahoo.com[66.196.97.250] said: 554 delivery error: dd This user doesn't have a yahoo.com account (df...@yahoo.com) [-5] - mta241.mail.re3.yahoo.com (in reply to end of DATA command)) Apr 3 23:32:11 mail postfix/cleanup[7281]: 2ACDFBA: message-id=<20090404033211.2acd...@mail.firstfinancial.org> Apr 3 23:32:11 mail postfix/bounce[31334]: 96B0EB8: sender non-delivery notification: 2ACDFBA / Any suggestions? Should postfix be configured to send this info to exchange? Is the problem postfix not sending to exchange? Thanks, nick -----Original Message----- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Wietse Venema Sent: Friday, April 03, 2009 10:57 PM To: Postfix users Subject: Re: not receiveing bounce backs when using postfix nr...@firstfinancial.org: > Any suggestions? I don't know where else to look. I suspect that I > configured postfix to be non-compliant to an RFC, but not sure what is the > offending configuration. Postfix logs all failed and successful deliveries to a logfile. The file is usually called /var/log/maillog or /var/log/mail; the exact pathname is usually defined in the /etc/syslog.conf file. Wietse