we have a few new email bounces or blocks. One is from a client of us on: jfrediani@mugaverochiro.com on that domain that receives bounces. the error message is below.
-----Original Message-----
From: Mail Delivery System [mailto:Mailer-Daemon@server.doylead.com]
Sent: Thursday, October 29, 2015 9:32 AM
To: jfrediani@mugaverochiro.com
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:
Chris.Kowalski@chesterton.com
host cluster6.us.messagelabs.com [216.82.251.38]
SMTP error from remote mail server after initial connection:
501 Connection rejected by policy [7.7] 16306, please visit www.messagelabs.com/support for more details about this error message.
--------------------------------------------------------------------------
After some investigation, it seems that the email server blocking our emails is Symantec. I have checked our IP against Symantec's IP reputation using http://ipremoval.sms.symantec.com/lookup/ and our IP does not look to be blocked.
I would like to have this solved as soon as possible.
Regards,
Paul C.