Outgoing SMTP Email Service for Mailing List Distribution

AuthSMTP provides an outgoing SMTP email server / relay service for the distribution and delivery of mailing lists, newsletters and other bulk email applications. It will allow you to send emails from your own domain name using most of the major bulk mailing programs with plans for sending from hundreds to millions of emails per month.

Service Features

Reliable outgoing SMTP email server for distribution of your mailing lists, newsletters or automated contact emails

Many ISPs offer an SMTP service but restrict the number of emails you can send and often your email can be delayed for hours - AuthSMTP solves these problems and more.

Support for all the major mailing programs such as:

  • - Infacta Group Mail
  • - Max Bulk Mailer
  • - Mail Transfer Agents for Unix / Linux
  • ...and many more.

Avoid your emails being blacklisted

Some ISPs outgoing email servers may become blacklisted - we constantly monitor our systems and third party blacklists to help ensure this does not happen.

Static IP Address

For larger accounts we allocate a static IP address so that you can setup white list agreements and generate a good reputation for your email without the risk of being affected by other users.

Correct DNS / Reverse DNS

All our servers have valid / correct DNS and reverse DNS entries.

Quick and easy to setup full tutorials for almost all major programs

We provide clear and easy to follow setup guides for most major email programs and we frequently add ones for new software /versions.

Online Control Panel

Control Panel so that you can manage your account online including upgrades, renewal, error logging, address validation and many more features.

Key Benefits

  • Professional SMTP service for distributing mailing lists.
  • Quick and easy to setup - send email within minutes.
  • Use up to 5 concurrent connections for super fast delivery.
  • Full setup guides for most major programs and devices.

Money Back Guarantee

We offer a money back guarantee for your peace of mind so you can sign up and test with no risk. [ Read More ]


Accounts start at a very low cost per year - please see our pricing page for details.

Sign Up

If you have all the information you need and want to sign up for an AuthSMTP account please go to our sign up page. [ Sign Up ]

More Information

If you require more information on the service or have specific technical questions please click more. [ Read More ]