MailerQ beats every MTA in performance
and easily matches it in features

An alternative to PowerMTA

It's time for a change

We understand that your MTA is important for your business and that it is not an easy decision to change. However, if there ever was a time for a replacement, it is now. We have a better alternative.

MailerQ is fast. It runs multiple parallel threads to deliver email, network calls are non-blocking and messages never hit a disk.

You can install MailerQ and send huge volumes without the need for big investments in hardware or disks. With our alternative you can shut down most of your old MTA machines because of MailerQ's better performance.

Furthermore, MailerQ is flexible. It uses message queues and JSON, giving you full control over your email flow. With this alternative you can monitor and intervene when necessary. Prioritizing and routing has never been easier.

And MailerQ is competitive. It beats every MTA in performance and pricing, and it has all the features that you find in alternative MTA's

Discover our features in this comparison!

An extended comparison

Validation mechanisms

MailerQ PowerMTA
Spam Assassin

Delivery parameters

MailerQ PowerMTA
Domain MTA and IP based rates
Support for per-message overrides
SMTP reply pattern matching
Configurable deferral periods

MIME handling

MailerQ PowerMTA
Header insertion/modification
CSS stylesheet to attributes
JSON to MIME conversion
DKIM and ARC message signing

Injection mechanisms

MailerQ PowerMTA
Pickup directory
Command Line Interface
Message compression before sending

Management console

MailerQ PowerMTA*
Real time overview
Live SMTP traffic monitor
Live logfile monitor
Delivery settings
Automatic recognition of domain groups
Pause and resume campaigns based on message tags

* The management console from PowerMTA is only available from version 4.0 and up, with a separate license.

Supported SMTP extensions

MailerQ PowerMTA
DNS handling

Incoming messages

MailerQ PowerMTA
DMARC report handling
DSN handling
Local address database

Advanced settings

MailerQ PowerMTA
Support for clustering and chaining
Smarthost support
C/C++ plugin API

Get started with MailerQ

To get MailerQ up and running on your own computer or on a server, you need to take four simple steps:

That's all. After these steps you're ready to start MailerQ and inject emails. To start MailerQ, just enter mailerq on the command line and your MTA is running.

$ mailerq

We are here for you

Changing your MTA is a decision not easily made. We understand that. Looking for an alternative MTA takes time. We are here to answer your questions and take away possible concerns. That's why we offer guidance, even adjustments are possible if that helps you to switch MTA's smoothly.