PowerMTA Alternatives

    PowerMTA is described as 'Email gateway application (SMTP server) that makes it easy for senders to adopt the latest authentication specifications ( SPF and DKIM) to comply with changing ISP policies for accountable outbound email delivery. No over hype. It just delivers' and is an app in the Office & Productivity category. There are more than 10 alternatives to PowerMTA for a variety of platforms, including Linux, Mac, Windows, the Web and Self-Hosted solutions. The best alternative is Zentyal. It's not free, so if you're looking for a free alternative, you could try Postfix or Zimbra Collaboration Suite. Other great apps like PowerMTA are hMail Server (Free, Open Source), Microsoft Exchange Server (Paid), Exim (Free, Open Source) and Sendmail (Free, Open Source).

    The list of alternatives was last updated Dec 30, 2019