I need a solution
Hi,

We are experincing difficulties sending mails to some systems that are using Message Labs
 

Connecting to Mediaset we receive this error:

501 Connection  by policy [7.7] 2705, please visit www.messagelabs.com/support for more details about this error message.

We tried also to delist our IPs with this tool:

http://ipremoval.sms.symantec.com/lookup/
 

But it say that our IPs haven’t negative reputation so they cannot be delisted.

Below you can find our IP list:

54.36.55.250
54.36.76.127
54.36.103.105
54.36.11.6
 

we aren’t in any blacklist, and we are not sending spam.
 

Please can you check why we are blocked?

Thanks.

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