Best Altospam Alternatives & Competitors in 2024

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

Open Source

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

Elegant user management, tailor-made for B2B SaaS

Try for free freemium

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

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

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

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

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

The free Anti-Spam-Filter Spamihilator removes more than 98% of spam mails before they even get into your inbox.

SPAMfighter and Microsoft have built the strongest and most effective anti spam filter for Outlook, Windows Live Mail, Outlook Express & Thunderbird

Spam Reader is a free anti-spam add-on for Microsoft Outlook.

CryptoPrevent is an Anti-Virus/Security Software Supplement, originally designed in late 2013.

Over 8 million people use MailWasher as their spam filter

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)