return mail error

[willyika]

can someone help me what is the following error about and how to solve it...
thanks...

----- Original Message -----
From: Mail Delivery Subsystem @domain.com <MAILER-DAEMON>
Sent: Tue, 10/16/2007 9:28am
To: test<test@domain.com>
Subject: Returned mail: see transcript for details

The original message was received at Tue, 16 Oct 2007 09:28:48 +0800
from localhost.localdomain [127.0.0.1]

----- The following addresses had permanent fatal errors -----
<testing@abc.com>
(reason: 554 5.7.1 Mail from this email address is not allowed and has been blocked.(no.123 pattern matched))

----- Transcript of session follows -----
... while talking to mail.abc.com.:
>>> DATA
<<< 554 5.7.1 Mail from this email address is not allowed and has been blocked.(no.123 pattern matched)
554 5.0.0 Service unavailable

[Renegade]

Same problem here, have you solved it?

Code: Select all

The original message was received at Sun, 23 Mar 2008 10:58:52 +0100 from localhost.localdomain [127.0.0.1]

   ----- The following addresses had permanent fatal errors ----- <XXXXXXXXX@gmx.de>
    (reason: 550-5.7.1 {mx003} Sorry, your helo has been denied.)

   ----- Transcript of session follows ----- ... while talking to mx0.gmx.net.:
>>> RCPT To:<XXXXXXXXXXXXX@gmx.de>
<<< 550-5.7.1 {mx003} Sorry, your helo has been denied.
<<< 550 5.7.1 ( http://portal.gmx.net/serverrules ) 550 5.1.1 <XXXXXXXXXXX@gmx.de>... User unknown


[mikethebike]

they look like different errors.
Howvere the first one would suggest you are on some sort of black list (RBL)...try using this http://www.robtex.com/rbl/ and enter the IP of your external email server (the one you advertise externally as your MX record).