Hi, I followed the "Perfect setup fedora 5" guide and installed postfix. but I am getting errors in rec. emails. below are the details: Out put of SMTP-AUTH and TLS is below: [[email protected] Trying 127.0.0.1... Connected to localhost.localdomain (127.0.0.1). Escape character is '^]'. 220 jsh.example.com ESMTP Postfix ehlo localhost 250-jsh.example.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250 8BITMIME Auth error I see in the log file is: Feb 6 16:51:17 jsh postfix/smtpd: connect from shawidc-mo1.cg.shawcable.net[126.96.36.199] Feb 6 16:51:17 jsh postfix/smtpd: NOQUEUE: reject: RCPT from shawidc-mo1.cg.shawcable.net[188.8.131.52]: 554 <[email protected][email protected][email protected] Can anyone please point me in the correct direction as what I am doing wrong? and how to fix it!! Thanks a bunch in advance!!