I am Dale Hayter, a Microsoft and VMware certified Technical Consultant.

My blog has been built up over the years from my experience of working on an IT helpdesk and also from being out on-site.

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Symantec Messagelabs IP Ranges

Here are the IP Ranges to lock down the Receive connector to. 216.82.240.0/20 67.219.240.0/20 85.158.136.0/21 95.131.104.0/21 46.226.48.0/21 117.120.16.0/21 193.109.254.0/23 194.106.220.0/23 195.245.230.0/23 103.9.96.0/22