Cleaning Your Mailing List
If your account is generating too many bounces (more than about 5%), we recommend that you run your entire mailing list through the following email verification service:
Click here to clean your mailing list with TheChecker
(this link gives a 20% bonus credit)
Before doing this, please ensure that your mailing list is in accordance with our terms of service. Simply removing invalid email addresses from a poor quality list is not sufficient to comply with our terms. Your list needs to be recent, 100% opt-in, and meet the other requirements in our terms of service.
Cleaning your mailing list by using one of the above services will assist in keeping your account in good standing with SMTP2GO, and you'll see more emails reaching recipients' inboxes (as recipient mail servers will be less likely to treat your emails as spam).