Thread: Mailserver slow
View Single Post
Old 2nd September 2005, 09:35
till till is offline
Super Moderator
Join Date: Apr 2005
Location: Lüneburg, Germany
Posts: 37,015
Thanks: 840
Thanked 5,651 Times in 4,461 Posts

Originally Posted by roberto8080
OK checking out the logs I see that I was an open-relay

Temporarily I just limited the SMTP to the local machine. Anyway, is there any guide of tuning and securing Postfix in ISPConfig once installed?
The best way is to limit SMTP relaying to the IP and the enable SMTP-Auth for your mailusers.

Have you read one of the howtos? In each howto is a section on how to configure postfix for smtp-auth. You will find the howtos on the ISPConfig documentation page or at
Reply With Quote