Top 6 Open-Source Alternatives to Mimecast Secure Email Gateway

Product categories

Anti-Spam Cloud Storage Cyber Security Email Email Clients Email Management Email Security Email Service Provider Encryption Enterprise Communication Hosted Email Security & Privacy

Summary

The top open-source alternatives to Mimecast Secure Email Gateway are SpamAssassin, GnuPG, and SpamTitan. 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
GnuPG Landing Page
2

GnuPG

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).
Pricing:
- Open Source
#Security & Privacy #Security Tools #Encryption 38 social mentions
SpamTitan Landing Page
3

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
Criptext Landing Page
4

Criptext

Criptext - Security that goes beyond encryption.
Pricing:
- Open Source
#Email #Email Clients #Email Service Provider 3 social mentions
Tutanota Landing Page
5

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
bitwarden Landing Page
6

bitwarden

Bitwarden is a free and open source password management solution for individuals, teams, and business organizations.
Pricing:
- Open Source
- Freemium
- $10.0 / Annually (Premium)
#Password Managers #Password Management #Security & Privacy 604 social mentions