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Average Ratings 0 Ratings
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
Mail-in-a-Box allows you to establish your very own mail service provider with just a few straightforward steps, similar to creating a personalized version of Gmail that you have complete control over.
Essentially, it transforms a new cloud computer into a fully functional mail server, and you don’t need to possess advanced technical skills to get it up and running.
Each Mail-in-a-Box setup comes equipped with webmail access and an IMAP/SMTP server, making it compatible with both mobile devices and desktop email applications. Additionally, it offers synchronization for contacts and calendars, ensuring that all your information stays up to date across devices.
Moreover, the system includes essential mail features such as spam protection through filtering and greylisting, customizable mail filter rules, automatic configuration for email clients, and scheduled backups to services like Amazon S3.
Another advantage is its automatic DNS configuration, which simplifies the process when you allow it to function as your nameserver, enabling it to establish crucial DNS records that enhance mail deliverability and security, including SPF, DKIM, DMARC, and MTA-STS.
Furthermore, when DNSSEC is activated along with DANE TLSA, it significantly elevates the level of security for your email communications.
API Access
Has API
No
API Access
Has API
No
Pricing Details
Free
Free Trial
No
Free Version
Yes
Pricing Details
Free
Open source
Free Trial
No
Free Version
Yes
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
No
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
Mail-in-a-Box
Founded
2013
Website
mailinabox.email/