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Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Description

Citadel offers email, collaboration, groupware, and content management solutions that can be quickly deployed on your own servers or in the cloud. With its unique room-based architecture, Citadel is not only user-friendly but also highly adaptable and robust. Unlike any other platform, it successfully integrates a wide range of features while maintaining a familiar and cohesive interface. This software is entirely open source, distributed under the GNU General Public License, ensuring users access the full version without limitations or cost. You can download the most advanced version available here, and the best part is that it’s all provided at no charge. This makes Citadel an exceptional choice for those seeking powerful and comprehensive software solutions without the financial burden often associated with enterprise editions.

Description

Exim serves as a mail transfer agent (MTA) for Unix-like operating systems. Initially developed by Philip Hazel in 1995 for the University of Cambridge Computing Service's email systems, Exim is released under the GPL, allowing users to freely download, utilize, and modify it. While it shares some similarities with Smail 3, Exim has evolved to offer greater user-friendliness and flexibility. Both Exim and Smail 3 operate on the Sendmail design model, where a single main binary manages all MTA functionalities. Although this monolithic architecture is sometimes viewed as less secure and slower, Exim boasts a superior security record compared to Sendmail and matches the performance of Qmail and Postfix, particularly in advanced functions like queue management, address routing, and testing. Notably, Exim lacks a built-in Graphical User Interface (GUI) for configuration, although some Linux distributions may provide one, enhancing its accessibility for users who prefer a visual approach. As a result, Exim remains a versatile choice for those looking to manage email systems effectively.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

360 Monitoring No 
Docker Yes 
Freehostia No 
Hestia Control Panel No 
MailRoute No 
Muraena Yes 
Netdata No 
Rspamd No 
SpamAssassin No 
Ubuntu Yes 
Xitoring No 

Integrations

360 Monitoring Yes 
Docker No 
Freehostia Yes 
Hestia Control Panel Yes 
MailRoute Yes 
Muraena No 
Netdata Yes 
Rspamd Yes 
SpamAssassin Yes 
Ubuntu No 
Xitoring Yes 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux Yes 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Citadel

Website

www.citadel.org

Vendor Details

Company Name

Exim

Founded

1995

Country

United States

Website

www.exim.org

Product Features

Product Features

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