Topic: Postfix Undelivered Mail Returned to Sender mail forwarding loop
I have install iRedmail 1.3.1 on CEntos 7.0 server using Mysql backend with Nginx webserver everthing working fine but having problem when i have to download email using fetchmail with procmail then same mail are not delivered to local user and when loging using postmaster account there are mail showing undelivered mail returned to sender.
This is the mail system at host mail.mydomain.com.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<email@example.com>: mail forwarding loop for firstname.lastname@example.org.