dd-ns.org Alternatives

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

Happy Moose is a super-efficient cloud anti-SPAM solution for organizations. It stops up to 99.

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

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

G-Lock Apps is an interesting tool that might seem simple to some, but is quite essential to most online marketers.

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

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

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)

litmus tests and tracks your email campaigns, so you can always put your best design forward.

AI-powered English teacher

SMX – Cloud-Based Email Security.

Data driven self improvement app

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

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

Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats