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Top Rated Anti-spam Software with Search filter

Last updated: October 2026

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27 software options

Heimdal Email Security logo

Email Protection in a Redefined Spam Filter

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Heimdal Email Security is an email protection solution that combines advanced spam filtering with robust malware prevention through a multitude of modern technologies.

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Trustifi logo

Protect Your Business Emails with AI-Powered Security

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Email security solution that helps manage threat detection, regulatory compliance, data encryption, whitelisting/blacklisting, and more.

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Paubox Email Suite logo

HIPAA-compliant email encryption software

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Paubox Email Suite is a HIPAA-compliant email encryption software designed to help businesses manage and secure emails using encryption and data loss prevention methods. It includes ExecProtect, which allows businesses to prevent data breaches, phishing, and display name spoofing attacks by automatically detecting and blocking impersonation scams and informing administrators via emails.

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Zerospam logo

Cloud email security & anti-spam solution

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ZEROSPAM is a complete cloud email security and anti-spam solution that protects domains against spam, ransomware, spear phishing, viruses, phishing and all harmful emails. Detect disguised executable files & infected macros sent as attachments via emails or downloaded through a malicious link.

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ALTOSPAM logo

Effectively protect all your company's emails

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ALTOSPAM is an email protection solution for all businesses, associations and local authorities. Choose advanced email security compatible with all mail servers, including Office 365. Try ALTOSPAM for free.

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ESET Home Office Security Pack logo

Cloud-based cybersecurity solution for SMBs

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ESET Home Office Security Pack is a comprehensive solution for small and medium-sized businesses and startups that need to protect digital equipment

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Spambrella logo

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LeanMail logo

Don't give up finding a solution for email until you try LM

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Get Total Control Over Outlook. For every type of user and every personality type. Five easy, customizable solutions that give you all the control over your inbox that you want.

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Security Gateway by MDaemon logo

Powerful yet flexible email security software.

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Security Gateway by MDaemon is an email security software designed to help businesses secure email servers from malware and phishing attacks. The solution enables administrators to automatically detect threats across various platforms including Microsoft Exchange Server and Office 365.

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ESET PROTECT MDR logo

Future ready protection for enterprise

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Airtight protection of your IT environment,
with complete cyber risk management and
world-class ESET expertise on call.

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Abnormal AI logo

A Fundamentally Different Approach to Email Security

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Abnormal provides total protection against the widest range of attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain compromise, internal account compromise, spam, and graymail.

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MailCleaner logo

Cloud & on-premise anti spam software for businesses

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MailCleaner offer cloud or on-premise anti spam and anti virus protection for ISP SME SMI & large companies, non profit organizations and governments

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modusCloud logo

Cloud email security, encryption, and archiving

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modusCloud is a cloud email security solution with tools for spam detection, threat monitoring, email archiving, phishing detection, and more. The cloud-based platform offers features including filtering, continuity, encryption, and archiving in order to provide businesses with email protection.

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MailChannels Outbound Filtering logo

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SilverSky Email Protection Suite logo

Advanced email security and compliance for SMBs

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Reduces risk exposure and corporate liability by safeguarding your email with anti-virus and anti-spam technologies that block malicious software and spam at the gateway. SilverSky protects small and mid-sized businesses to prevent targeted attacks, social engineering attacks and data exfiltration.

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Mail Assure logo

Email, Secured.

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Cloud-based email security designed to help your customers stay in control while safeguarding their inbound and outbound email.

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Mailinblack logo

Cloud-based & on-premise email protection software

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Protecting businesses from malware, phishing, ransomware, and spam emails.

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SpamHero logo

Saving the world from spam, one domain at a time!

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SpamHero is a cloud-hosted spam filtering solution available. Stop the spam, viruses, and phishing attacks before they reach your network.

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SpamTitan logo

Anti-spam filter for business email. Vital email security.

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SpamTitan blocks spam, viruses, malware, ransomware, phishing attempts and other email threats. SpamTitan provides advanced yet easy to use email security for your business. Office 365 friendly

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DataDome logo

Anti-bot protection software to block unwanted traffic

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DataDome Anti-bot Protection software is a cloud-based platform designed to help businesses identify and prevent bot attacks in real-time using in-memory pattern databases along with machine learning (ML) and artificial intelligence (AI) technologies.

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Truecaller logo

Spam Blocking and Caller ID

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TrueCaller is a robust spam blocking solution designed to identify unknown numbers, block numbers from telemarketers and robocallers, and centralize all SMS/calls in one platform. TrueCaller includes call blocking, intelligent dialer, call recording, caller identification, integrated Chat/SMS capabilities, and a spam-free inbox.

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EuropeanMX logo

Cloud-based anti-spam for incoming and outgoing messages

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Use the cloud redundancy solution EuropeanMX as a reliable spam filter. Our system offers nearly 100% filter accuracy and virtually no false positives. Protect your IP ranges before getting blacklisted. Continuously archive your emails with EuropeanMX to always have a backup of your emails.

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M365 Manager Plus logo

Management, reporting, auditing, and monitoring of Microsoft

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M365 Manager Plus is a reporting, auditing, monitoring, management, and security solution for Microsoft 365. Designed for businesses of all sizes, it helps users manage Exchange Online, Azure AD, Microsoft Teams, OneDrive for Business, and other services from a centralized dashboard.

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