If i have just installted Trend Interscan Messaging Security Suite and i sent a mial from outside to my mail server and it returned this message. Or will it be a message from my pix dening the mail????
When i have disabled trend then exchange receives mail fine????
The Postfix program
<firstname.lastname@example.org>: host mail.hitechauto.co.za[18.104.22.168] said: 550
Relaying denied to <email@example.com> (in reply to RCPT TO command)