We take great pride in the satisfaction and loyalty of our clients. Since 1999, we have been helping many of the leading email service providers and top brands address the challenges of email marketing and customer communications.

PowerMTA handles outbound email delivery for thousands of organizations worldwide and is behind hundreds of millions of legitimate messages each day. Here is a sampling of the leading companies who have chosen PowerMTA as their platform for customer and prospect email.

Click here to read what some of our users say about Port25 and PowerMTA.