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

Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...

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)

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

Open Source

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

Oikik is a cloud-based email filtering service that works with your existing email service.

Anti-spam gateway blocks more than 99% of spam with less than one in 1 million false positives and...

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)

amavisd-new is a high-performance interface between mailer (MTA) and content checkers: virus...

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

Antispam and antivirus software on Cloud

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

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

SMX – Cloud-Based Email Security.