Software Alternatives & Reviews

PowerMTA VS Citadel

Compare PowerMTA VS Citadel and see what are their differences

PowerMTA logo PowerMTA

PowerMTA is an industrial-strength software for high-volume email delivery.

Citadel logo Citadel

Is a collaboration suite (messaging and groupware).
  • PowerMTA Landing page
    Landing page //
    2023-06-25
  • Citadel Landing page
    Landing page //
    2021-10-10

PowerMTA videos

Bulk Email Server PowerMta Auto Installation

Citadel videos

Citadel: Forged with Fire Review (Rogue Gaming)

More videos:

  • Review - The Citadel Review - Waifustein 3D
  • Review - CITADEL FORGED WITH FIRE Worth Playing? Full Release RPG Multiplayer Game PS4 Xb1 PC

Category Popularity

0-100% (relative to PowerMTA and Citadel)
Email
71 71%
29% 29
SMTP Server
100 100%
0% 0
Data Dashboard
0 0%
100% 100
Self-hosted Email
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare PowerMTA and Citadel

PowerMTA Reviews

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Citadel Reviews

15 Best iRedMail Alternatives 2021
Citadel has many of the amazing features that people typically flock to iRedMail for such as scheduling/calendaring support, note-taking, file storage, and integrated antispam filtering & server-side mail sorting. It also offers multi-domain support, server-to-server replication, TLS/SSL protocol encryption, and Microsoft Active Directory.
5 Awesome Open Source Groupware Software Suite
Citadel is a free and open source collaboration suite software. It supports protocol such as SMTP, IMAP, Sieve, POP3, GroupDAV, and XMPP. Also includes OpenSSL encryption for additional security. You can run it on your hardware or in the cloud. Feature includes email, calendar/scheduling, address books, bulletin boards (forums), mailing list server, instant messaging, wiki...

What are some alternatives?

When comparing PowerMTA and Citadel, you can also consider the following products

Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

AWS IoT Device Defender - Manage the security of your fleet. With AWS IoT Device Defender, you can audit and monitor device configurations. Get started today.

mailcow - An open source mailserver suite.

Azure Sphere - Help protect your connected IoT devices, such as MCUs and crossover modules, development kits, and guardian devices, with Azure Sphere.

Mail-in-a-box - Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

Symantec Critical System Protection - Symantec Critical System Protection is a flexible and compact behavioral security engine built with application whitelisting infused with anti-exploits for managed or standalone IoT devices.