Mailbox providers are imposing new requirements on senders, such as authentication, connection policies, rate limiting, accurate bounce handling and active complaint management. Popular email servers such as Postfix, Qmail, or Exchange are well fitted for general purpose use, but come up short on many of the new deliverability requirements.
PowerMTA from Port25 is industrial-strength software for high-volume email delivery. Designed for performance, deliverability and manageability, PowerMTA is able to consistently deliver hundreds of thousands of emails per hour. With its extensive configuration capabilities and Virtual MTA technology it provides granular control of sources, sending IPs, and domain policies.
It is compatible with any SMTP compliant email feeder. Integration via various API allows marketers to leverage their infrastructure maximizing ROI. Advanced features such as easy ip rotation, domain based throttling, mx based connection limits, talking and acting based on smtp errors make it easier for marketers to bulk email to their large email lists and send campaigns without a hassle while complying with spam policies, ISP limitations.
With PowerMTA you could easily achieve high sending rates and maximum delivery to the inbox! It is by far the best smtp software, email gateway in when compared to other players on the market.
Here are the several features of the PowerMTA:
Delivery Policy Management
Ability to monitor ip domain reputation and act immediately
Segmentation & Classification
Configuration & Control
Integration with Authentication standards such as dkim, domainkeys, dmarc.
Simple statistics interface
Extremely scalable and stable
Detailed delivery reporting
and many others..