On 7/9/2014 1:00 AM, Sergio wrote:
It seems that my rule using "Received" instead of "From" did the trick, the rule is working now.
Sergio,
The format of that email address is likely verp or some related format that encodes the recipient in the From address so that bounces can be processed (http://en.wikipedia.org/wiki/Variable_envelope_return_path).
This rule will block a significant number of legitimate mailing lists. Regards, KAM