Best Open Source Secure Email Gateway Packages

Email Email Security Email Gateway

MailScanner Landing Page

1

MailScanner

MailScanner is a open source email security system design for Linux-based email gateways.

Installing MailScanner is pretty simple, you can get packages for Debian and Red hat based Linux distributions at https://github.com/MailScanner/v5/tree/master/builds, it is highly recommended to install it on a clean OS. Around 80 billion of emails are supervised by MailScanner monthly, it shows high performance on low resources hardware too. A comprehensive guide of configuration options for MailScanner to understand all its fueatures is available at https://www.mailscanner.info/MailScanner.conf.index.html.

#Email #Email Security #Anti-Spam
MailCleaner Landing Page

2

MailCleaner

Cloud & on-premise anti spam software for businesses

All products mentioned are almost the same and friendly users without major differences between them. Considering 90% of mails are spam incorporating a Secure Email Gateway solution is a must if you plan to setup a mail server. All solutions numerated here are available for virtualized environments and can be tested without risks. From all solutions mentioned above probably the most recommendable by the community are MailScanner and MailCleaner.

#Anti-Spam #Email Automation #Email Management
Proxmox Mail Gateway Landing Page

3

PMG

Proxmox Mail Gateway

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.

Proxmox Mail Gateway is another market leading technology to filter mail threats. It is very user friendly with a web management interface. It is Debian and Ubuntu based virtualized system and can be downloaded from https://www.proxmox.com/en/downloads.

#Email #Cyber Security #Email Security
Hermes SEG Landing Page

4

Hermes SEG

Open Source Email Gateway that provides Spam, Virus and Malware protection, PDF, S/MIME, PGP e-mail encryption, e-mail archiving, SPF, DKIM and DMARC.

Hermes SEG Community: this is the free version without support (support is available through forum), without warranty and without possibility to self host all features. Hermes SEG Pro: this license allows you to self host all features. Hermes SEG SaaS: this service includes SEG Pro + a management service.

#Email #Email Security #Email Gateway
5

OA

OrangeAssasin

This product hasn't been added to SaaSHub yet

Email Secure Gateways are available as a cloud service, as virtual appliance, locally at the mail server and there are both software and hardware solutions but this article focuses on 5 Email Security Gateways: MailScanner, MailCleaner, Proxmox, Hermes Secure Email Gateway and OrangeAssasin, all them include free versions while some offer additional paid versions with extra features.