There’s a common bounce error from the Message Labs’ filtering appliance that goes no where.
501 Connection rejected by policy [7.7] please visit www.messagelabs.com/support
If you’re trying to troubleshoot a delivery problem and you find any reference to www.messagelabs.com/support, try http://www.symanteccloud.com/supportcentre/information/r_troublshooting instead. That link provides a little more information.
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I tried to email my works phone,but I got a message saying (unable to deliver ) . can you tell me what the problem is please .