
MAILERQ
Send large volumes of email with maximum control at unparalleled speed
What is MailerQ
MailerQ is a high-performance on-premise Mail Transfer Agent (MTA) built on RabbitMQ for delivering millions of emails per day. It is built with a strong focus on performance, ease-of-use, and insights. The MTA comes packed with an intuitive Management Console, REST API, and other functionality necessary for every serious sender to retain and improve their sender reputation and deliverability rates. This is why it is increasingly recognized as a valuable solution for all types of senders, including Email Service Providers, e-commerce platforms, banks, and government institutions.
A powerful MTA
MailerQ comes packed with features right out of the box to improve your email deliverability, such as real-time delivery monitoring, advanced queue management via RabbitMQ, DKIM signing and rate limiting.
Why choose MailerQ as your email delivery software?
MailerQ comes packed with features right out of the box to improve your email deliverability.
Advanced volume control
With email throttling you can decrease or increase your sending speed by specifying the maximum message volumes, the number of connections, the timeouts and more per inbox provider.
Authentication & security
MailerQ supports DKIM, SPF, TLS and as the first MTA ever also ARC (Authenticated Received Chain) methods for email authentication.
Postmastery Console integration
MailerQ is fully integrated with the Postmastery console, allowing users to monitor and tune email delivery performance in real time.
Quick interference
You can monitor SMTP connections and error logs and easily pause deliveries or process errors for specific IPs, targets, customers, campaigns or message types.
IP Warm-up
Email throttle schedules allow you to define warm up trajectories by creating schedules that describe what delivery rates to use on which day. This ensures you get the most out of your new IP addresses.
Management console
MailerQ comes with a web-based management console, where you adjust deliverability settings on the go. You can use the management console if you do not want to connect to the database.

Get help from the most experienced email consultants in the market.
Set up, optimise, monitor or migrate to MailerQ with assistance from Maarten Oelering and a team of renowned email engineers at Postmastery.

Deployment
Rely on Postmastery engineers to identify the ideal email infrastructure stack, tailored to your specific needs and customer requirements, guaranteeing a robust and reliable deployment.

Assessment
Let our expert engineers review your entire email infrastructure stack, aligning it with MailerQ advanced deliverability functionality and uncovering optimization opportunities for enhanced performance.

Management
Benefit from Postmastery's proactive ongoing management and monitoring of yourMailQ email infrastructure, to ensure your email always hits inbox.
Postmastery offers premier support and deliverability services for MailerQ users.
Setting up a mail transfer agent can be complex. Postmastery simplifies this by providing a tailored configuration to meet your business's email marketing needs within your budget.
