A permission based list is a list of email addressees (persons or organizations) that have explicitly granted their permission to receive email communications from you. You agree to import, access or use only permission-based lists in connection with your use of the Services. You agree that you shall not utilize the Services to send any commercial electronic mail message (as that term is defined in the CAN-SPAM Act) to any person who has opted out or otherwise objected to receiving such messages from you or another sender on whose behalf you may be acting. You cannot mail to distribution lists, newsgroups, or spam or unsolicited email addresses.
Each message that is sent using the service must contain a conspicuous and simple, (e.g. one-click, opt-out method) "unsubscribe" link that allows recipients to remove themselves from your mailing list or "opt out" of receiving further communications from you. You agree that you will not remove, disable or attempt to remove or disable the unsubscribe link. You acknowledge that you are responsible for maintaining and honoring the list of unsubscribe requests and taking action on each request within 10 days of being notified of any request for removal or opt-out and the opt-out mechanism must be active for at least 30 days from receipt. You acknowledge and agree that you are the sole or designated "sender" (as such term is defined in the CAN-SPAM Act and any rules adopted under such act) of any message sent by you using the Services; You agree that the "from" line of any message sent by you using the Services will accurately and in a non-deceptive manner identify your organization, your product or your service; You agree that the "subject" line of any message sent by you using the Services will not contain any deceptive or misleading content regarding the overall subject matter of the message; You agree to include in any message sent by you using the Services, your valid physical address, which may be a valid post office box meeting the registration requirements established by the United States Postal Service. Valid and accurate information in the email header ("to" or "from" line); and You agree to include in any message a legitimate return address and reply-to address