Email Security.cloud

I need some help. We have a couple of clients who appear to be behind the messagelabs infrastructure which seems to be hosted in the UK and Germany. My network team basically blocks everything out of europe because we are a small US organization and they dont see why someone from europe would be emailing them (dont get me started!).

Anyway, I am 100% sure that emails coming to us from @erm.com and @soncellna.com are being dropped by our firewall. So I need a list of IPs or IP ranges that email could be sending emails from messagelabs. That way i can get these ips or ranges to the firewall team and they can allow traffic from them. 

I only need Email ranges, or whatever would be sending out of the messagelabs infrastructure. 

Thanks for the help!

Hi

Please see the below article which contains a link to our IP ranges.

https://support.symantec.com/en_US/article.TECH227034.html

Thank you

Ian Tiller

Tier 2 Senior Technical Support Engineer

Hi,

The IP ranges are available in this document: http://images.messagelabs.com/EmailResources/ImplementationGuides/Subnet_IP.pdf.

Paul