Mail server problem (pop3) please HELP!

[lomcoil]

Hi

i have a problem with my server..
when i'm sending from
squirrelmail

email to another emails like walla. etc...
it's sending the msg great.without problem.

BUT
when i use

webmail/outlook etc...
i get the mail back:

-----Original Message-----
From: Mail Delivery System [mailto:[email protected]]
Sent: 23 January, 2007 9:14 AM
To: [email protected]
Subject: Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

[email protected]
SMTP error from remote mail server after end of data:
host cluster2.us.messagelabs.com [216.82.240.51]:
553-Message filtered. Please see the FAQs section on spam
553-at http://www.messagelabs.com/support/ for more
553 information. (#5.7.1)


its happenned on this days i don't know how,and why..

please let me know how to fix it ..

Thanks
eli.

 

[Rich-Boy]

Looks like you (or your server provider) is using some kind of spam prevention software from messagelabs? Disable it, especially if it's reporting your IP being on a spam blocklist.