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Is there a way to allow all email with certain text in the body? the nature of some listserves prevents using any of the other whitelist features.
There are a lot of variables that come along with this question.
But I think you might be able to do this with Match Objects and maybe RegX expressions.
Check this out: SonicOS 7 Match Objects - Configuring Email Address Objects - SonicWall
Or : SonicOS 7 Match Objects - About Match Objects - SonicWall
I would start by defining the object the best you can and apply it to a filter rule. If you have a good way to identify the email, this may work for you.
-I hope this is helpful.