Best Happy Moose Alternatives & Competitors in 2025

Protects your company by blocking spam and virus before they reach your network.

paid Free Trial €4.9 / Monthly (1 domain with 100 MB traffic)

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

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

dd-ns.org is an ideal service for video surveillance, IP cameras and remote control, excellent for...

Scrollout is a free and easy to use anti-spam email gateway designed for Linux & Windows administrators without advanced email security experience.

Hornetsecurity offers you comprehensive, integrated managed e-mail security services.

SMX – Cloud-Based Email Security.

Use this program to "Unspam" your mailbox(es).

Open Source

Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.

Open Source Free Trial $0.81 / Monthly (Per User)

MXSAVE is an email disaster recovery service that works seamlessly with on-premise or hosted anti-spam solutions.

Proofpoint provides cloud-based email security, e-discovery and compliance solutions for companies to protect sensitive business data.

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

SpamHero is a professional spam filtering accuracy while lowering the cost to domain and business owners.

Xeams is a secure and powerful mail server for that includes a powerful spam filtering engine that...