Top 11 Open-Source Alternatives to Rspamd

Product categories

Anti-Spam Cyber Security Email Email Clients Email Delivery Email Management Email Security Email Service Provider Enterprise Communication Network Security SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Rspamd are SpamAssassin, SpamTitan, and iRedMail. 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
iRedMail Landing Page
3

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
mailcow Landing Page
4

mailcow

An open source mailserver suite.
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service Provider 82 social mentions
Roundcube Landing Page
5

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #SMTP Server #Email Clients 16 social mentions
Tutanota Landing Page
6

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
OpenSMTPD Landing Page
7

OpenSMTPD

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...
Pricing:
- Open Source
#SMTP Server #Email #MTA 2 social mentions
Criptext Landing Page
8

Criptext

Criptext - Security that goes beyond encryption.
Pricing:
- Open Source
#Email #Email Clients #Email Service Provider 3 social mentions
pfSense Landing Page
9

pfSense

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Pricing:
- Open Source
#Perimeter Security And Firewalls #Cyber Security #Network Security 10 social mentions
Security For Everyone Landing Page
10

Security For Everyone

Since security is a basic right, we believe it should be applied on digital, as well. So, Security for Everyone aims to make cybersecurity understandable, manageabla and affordable for everyone.
Pricing:
- Open Source
- Free
- Free Trial
#Cyber Security #Security Monitoring #Web Application Security
SOGo Landing Page
11

SOGo

SOGo is groupware server with a focus on scalability and open standards.
Pricing:
- Open Source
#Email #Email Clients #Self-hosted Email 1 social mentions