Top 5 Open-Source Alternatives to Mimecast

Product categories

Anti-Spam Cyber Security Email Email Archiving Email Clients Email Management Email Security Email Service Provider Email Software Network Security SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Mimecast are SpamAssassin, SpamTitan, and ArcTitan. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

SpamAssassin Landing Page
1

SpamAssassin

Use this program to "Unspam" your mailbox(es).
Pricing:
- Open Source
#Email Security #Email #Cyber Security 4 social mentions
SpamTitan Landing Page
2

SpamTitan

Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.
Pricing:
- Open Source
- Free Trial
- $0.81 / Monthly (Per User)
#Anti-Spam #Email Security #Email Management
ArcTitan Landing Page
3

ArcTitan

ArcTitan email archiving provides businesses with instant data encryption. Compliant fast, powerful, affordable and Office365 enabled. ArcTitan saves, indexes emails and enables you to search all the internal and external emails.
Pricing:
- Open Source
- $2.92 / Monthly (Per User)
#Email Archiving #Email Software #Email Security
iRedMail Landing Page
4

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).
Pricing:
- Open Source
#Email #SMTP Server #Self-hosted Email 2 social mentions
Roundcube Landing Page
5

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #SMTP Server #Email Clients 16 social mentions