This service may only be used for lawful purposes. This service may not be used to send unsolicited bulk or commercial messages. This includes, but is not limited to, bulk mailing of commercial advertising, informational announcements, charity requests, chain letters, petitions for signatures and political or religious messages. Such messages may only be sent to those who have explicitly requested it.
Customer is responsible for maintaining evidence of such an explicit request.
Note that there is no such thing as a purchased opt-in mailing list. The recipients on such a list may have opted into receiving messages from some other group, but they have not explicitly opted into receiving your messages. This service may not be used to collect responses from unsolicited email. Moreover, unsolicited email may not direct the recipient to any web site or other resource which uses this service. Accounts which violate the above rules will be suspended without warning.