Disclosed are methods of managing the delivery, including in certain cases the blocking, of electronic messages based at least in part on an electronic message's IP routing information. Also disclosed are methods of managing electronic messages with an intermediate service and the quarantining and user management of quarantined electronic messages and user profiles for the electronic massaging delivery parameters.

 
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> System and method for sorting e-mail using a vendor registration code and a vendor registration purpose code previously assigned by a recipient

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