Forum PHP.pl

Witam serdecznie , zainstalowałem sobie skrypt b1gMail7 niby wszystko dziala poprawnie można zakładać konta i wysyłać maile tylko że jeśli ktoś chce odpisać to dostaje taki mail zwrotny
This is the Postfix program at host mailout1.go2.pl.

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 Postfix program

<maniek@ja1.pl>: host ja1.pl[79.96.47.129] said: 553 We don't relay a mail
(in
reply to RCPT TO command)

serdecznie prosze o pomoc