Online Outbox is the perfect solution for sending email campaigns, html newsletters, welcome emails, special promotions, autoresponders to leads, contacts and customers.

A/B Testing and Split Testing

Find out which of your email campaigns performs the best based on open rates and click-thru rates with Split Testing.

You can even run a split test on a small portion of your list and send the winning email to the rest of your list automatically after a predefined period of time!

Unlike other email marketing software which limits you to A/B Split Testing, you can test unlimited variations in a single Split Test.

Online Outbox pre-formatted email templates