Hello, After a server crash, I re-installed postfix, cyrus-imapd, amavisd-new, spamassassin on a Centos 5.1 box. But, now mail system behaves somewhat different. There is no problem with mail receiving/sending from/to internet. Before the crash, mail system used to sent internal messages to root at example.com. But now, I can't receive internal messages as it tries to send them to root at server.example.com. I used the same postfix, cyrus-imapd, amavisd-new, /etc/aliases conf files from the previous setup. Must be a configuration issue I overlook. Could anybody please tell me what to check? Best wishes, Mufit main.cf: mydomain = example.com myhostname = server.example.com mydestination = example.com ... amavisd.conf $mydomain = 'example.com'; $myhostname = 'server.example.com';