Software
We've compiled a list of 19 free and paid alternatives to PowerMTA. The primary competitors include Zentyal, Zimbra Collaboration Suite. In addition to these, users also draw comparisons between PowerMTA and Courier-MTA, hMail Server, Microsoft Exchange Server. Also you can look at other similar options here: Office and Productivity Software.
We've compiled a list of 19 free and paid alternatives to PowerMTA. The primary competitors include Zentyal, Zimbra Collaboration Suite. In addition to these, users also draw comparisons between PowerMTA and Courier-MTA, hMail Server, Microsoft Exchange Server. Also you can look at other similar options here: Office and Productivity Software.
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24
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.
22
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open...
21
19
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
17
EmailSuccess, an advanced SMTP Server (MTA) built from the ground up to handle the most critical...
16
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix...
15
Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
10
MailerQ is a high performance Mail Transfer Agent (MTA) and a very fast SMTP server, designed to...
9
Xeams is a secure and powerful mail server for that includes a powerful spam filtering engine that...
13
Email gateway application (SMTP server) that makes it easy for senders to adopt the latest...
Email gateway application (SMTP server) that makes it easy for senders to adopt the latest...
Windows
Linux
PowerMTA is an “enterprise” grade infrastructure application for email built to address the challenges of critical digital messaging environments and customer communications. PowerMTA™ is (advanced smtp software) providing unsurpassed reliability and delivery execution, with granular connection controls. Offering superior message throughput, simplified set up and configuration, and visibility through real-time reporting and tracking, PowerMTA™ pays dividends immediately. It is built on advanced multi-threaded persistent architecture—for messaging breakthrough that delivers unsurpassed resilience and performance.
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 millions of emails per hour. With it’s extensive configuration capabilities and VirtualMTA technology it provides granular control of sources, sending IPs, and domain policies.
The key cog in the email messaging delivery process, PowerMTA™ is compatible with any SMTP-compliant email application. Tighter integration capabilities are also available through our various APIs, allowing customers to leverage their current front end infrastructure investments to maximize ROI. PowerMTA presents an original set of capabilities to effortlessly execute large quantities of email efficiently in addition to assisting you in reaching optimum delivery to the inbox. When evaluating PowerMTA, you’ll quickly experience its extensive and one-of-a-kind feature set and discover why nearly 70% of ESPs deploy PowerMTA.
SMTP
Email Server
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