According to the described embodiments, an intermediate electronic messaging service is inserted into a message delivery path connecting to an e-mail entity such as an ISP. A database is provided in the intermediate service, the database having user profiles associated with the users of the ISP or other e-mail entity. The intermediate service receives email message over the electronic message delivery path into which it has been inserted, where the e-mail messages comprise at least content and IP routing information. Within the intermediate service, at least one of the content and the IP routing information of the received e-mail message is examined, and the e-mail message is then delivered to a destination based on the examination and in accordance with a user profile in the database in the intermediate service.