Best Free Anti-Spam Software

Free Anti Spam Software is essential for businesses seeking to protect their email systems without additional costs. Anti-spam software effectively filters out unwanted and malicious emails, safeguarding sensitive information and minimizing the risk of phishing attacks. By leveraging anti-spam tools that are available for free, organizations can enhance their security infrastructure while staying within budget. The best anti-spam software in our category offers advanced features such as real-time threat detection, customizable filtering rules, and seamless integration with existing email platforms. Implementing these free solutions allows businesses of all sizes to reduce inbox clutter, improve email management, and boost overall productivity. Additionally, reliable anti-spam tools help maintain a professional image by ensuring that all outgoing and incoming communications are free from spam-related issues. Whether you are a small startup or a large enterprise, our selection of Free Anti Spam Software provides effective and user-friendly options to meet your organization’s unique needs. Explore our category today to find the perfect free anti-spam tools that will protect your business and streamline your email operations.

Note: Most of the products listed in this free anti-spam software category offer free trial versions, though they have restrictions like time limits, fixed number of users, or limited features. For more options and features, compare and evaluate all-time anti-spam software to find the best fit for you.

Last Updated: October 01, 2025

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64 Software

Popular Picks in Anti-spam Software

ESET Endpoint Security

ESET Endpoint Security

$211 Per year

GeeTest CAPTCHA

GeeTest CAPTCHA

$3000 Per year

LeanMail

LeanMail

$7.5 Per feautre

List of Top Free Anti-spam Software

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DataDome is a powerful endpoint protection software designed to safeguard businesses from cyber threats such as bot attacks, malware, and data breaches. The platform provides real-time monitoring and protection for all devices connected to the network, ensuring that endpoints are secure from unauthorized access and malicious activities. DataDome’s AI-powered algorithms detect and block suspiciou... Read more about DataDome

Free Trial

Available

Pricing Type

$3690 Per month

Location

France

CleanTalk is an anti-spam software solution designed to protect websites and online services from spam attacks, ensuring smooth user interactions and preventing unwanted traffic. With CleanTalk, website owners can block spam registrations, comments, and form submissions by using advanced algorithms that detect and filter out spam bots in real-time. The platform provides a simple, easy-to-use inter... Read more about CleanTalk

Free Trial

Available

Pricing Type

$8 Per user

Location

United States

Cybersecurity solutions to protect your business

SpamTitan is a robust antispam software solution designed to protect businesses from unwanted email threats, ensuring a secure and efficient email communication environment. This platform employs advanced filtering techniques to block spam, phishing attempts, and malware, allowing users to focus on legitimate emails without the distraction of unwanted messages. With SpamTitan, organizations can cu... Read more about SpamTitan

Free Trial

Available

Pricing Type

Contact Vendor

Location

Ireland

SilverSky Email Protection Suite is an advanced email security and collaboration software designed to protect organizations from email threats such as phishing, spam, and malware. By offering a suite of robust tools, it ensures that businesses’ email systems remain secure while enhancing productivity. SilverSky’s features include real-time threat detection, email encryption, and anti-virus pro... Read more about SilverSky Email Protection Suite

Free Trial

NA

Pricing Type

Contact Vendor

Location

United States

IRONSCALES is a robust email security software solution designed to protect organizations from phishing attacks, malware, and other email-based threats. The platform uses advanced machine learning algorithms to detect and block malicious emails in real-time, providing an added layer of protection for both inbound and outbound email traffic. IRONSCALES offers automated incident response capabilitie... Read more about IRONSCALES

Free Trial

Available

Pricing Type

$6 Per feautre

Location

Israel

ALTOSPAM is a robust Anti-Spam Software designed to protect businesses and individuals from unwanted and malicious email communications effectively. It offers a comprehensive platform for filtering, blocking, and managing spam emails, ensuring that inboxes remain secure and clutter-free. ALTOSPAM features advanced spam detection algorithms that analyze incoming emails for suspicious content, known... Read more about ALTOSPAM

Free Trial

Available

Pricing Type

$9 Per user

Location

France

StartMail is an advanced email security software that prioritizes privacy, encryption, and protection from digital threats. With StartMail, users can send and receive encrypted emails to safeguard sensitive communication. It offers a range of security features, including two-factor authentication, secure storage, and the ability to send self-destructive emails that automatically delete after being... Read more about StartMail

Free Trial

Available

Pricing Type

$59.95 Per user

Location

Netherlands

MailCleaner is a powerful anti-spam software designed to protect organizations from unwanted emails and malicious content. This robust platform utilizes advanced filtering technologies to detect and block spam, phishing attempts, and other harmful messages before they reach users' inboxes. With features such as customizable filtering rules, real-time reporting, and user-friendly dashboards, MailCl... Read more about MailCleaner

Free Trial

Available

Pricing Type

$130 Per year

Location

France

Xeams is an advanced cybersecurity software designed to protect organizations from email-based threats and enhance overall security posture. This platform provides comprehensive tools for spam filtering, phishing protection, and email archiving, ensuring that sensitive information is safeguarded against unauthorized access. With Xeams, users can implement robust security measures to block maliciou... Read more about Xeams

Free Trial

Available

Pricing Type

$0 Per user

Location

United States

Topsec Cloud Solutions is an advanced email management software designed to help businesses protect, manage, and optimize their email communications. The platform provides tools for email filtering, archiving, encryption, and spam protection, ensuring that all emails are secure and compliant with industry standards. Topsec Cloud Solutions also offers real-time email tracking and reporting features... Read more about Topsec Cloud Solutions

Free Trial

Available

Pricing Type

$20 Per user

Location

Ireland

modusCloud is an advanced email security software designed to protect organizations from various email threats, including phishing, malware, and data breaches. This comprehensive solution employs machine learning and artificial intelligence to analyze email traffic in real time, identifying and neutralizing potential threats before they reach users’ inboxes. With its userfriendly interface, modu... Read more about modusCloud

Free Trial

Available

Pricing Type

Contact Vendor

Location

Canada

Netacea Bot Management is an advanced cybersecurity software designed to help organizations protect their digital assets from automated threats. The platform offers tools for bot detection, analysis, and mitigation, ensuring businesses can maintain the integrity of their online operations. With its user-friendly interface, Netacea allows users to monitor web traffic, identify malicious bots, and i... Read more about Netacea Bot Management

Free Trial

Available

Pricing Type

Contact Vendor

Location

United Kingdom

Mailinblack is an advanced anti-spam software solution designed to protect businesses from unwanted emails, phishing attempts, and malware threats. It uses machine learning algorithms to identify and block suspicious emails, reducing the risk of data breaches. Mailinblack offers customizable filters, allowing users to adjust spam detection sensitivity based on their preferences. The software inclu... Read more about Mailinblack

Free Trial

Available

Pricing Type

Contact Vendor

Location

France

MailChannels is an innovative Anti Spam Software designed to protect businesses from unwanted email threats and ensure secure communication. This platform provides a comprehensive suite of tools for filtering and managing incoming email traffic, reducing spam and phishing attempts. Users can easily configure filtering rules, monitor email delivery, and analyze threat patterns, ensuring that only l... Read more about MailChannels

Free Trial

Available

Pricing Type

$79.99 Per month

Location

Canada

EveryCloud Antispam is a cutting-edge Email Security Software designed to protect organizations from spam, phishing, and other email-based threats. It offers a comprehensive solution that filters incoming and outgoing emails, ensuring that only legitimate and safe messages reach users' inboxes. EveryCloud Antispam employs advanced algorithms and machine learning techniques to detect and block mali... Read more about EveryCloud Antispam

Free Trial

Available

Pricing Type

Contact Vendor

Location

United Kingdom

Defencebyte is a robust anti-spam software designed to protect businesses and individuals from unwanted and malicious email traffic. It utilizes advanced filtering algorithms and machine learning techniques to detect and block spam, phishing attempts, and other email-based threats in real time. Defencebyte offers customizable filtering rules, allowing users to tailor their spam protection to speci... Read more about Defencebyte

Free Trial

Available

Pricing Type

Contact Vendor

Location

Australia

ORF is a robust email security software designed to protect organizations from email-based threats such as spam, phishing, and malware. By using advanced filtering algorithms and machine learning, ORF helps detect and block unwanted emails before they reach employees’ inboxes. The software offers real-time scanning, ensuring that emails are analyzed for malicious attachments, links, and suspicio... Read more about ORF

Free Trial

Available

Pricing Type

$5.5 Per user

Location

Hungary

ContentCatcher is a sophisticated Email Security Software designed to protect businesses from email-based threats while ensuring seamless communication and data integrity. This comprehensive platform offers a wide range of features, including spam filtering, phishing protection, malware detection, email encryption, and detailed threat analytics, ensuring that all aspects of email security are hand... Read more about ContentCatcher

Free Trial

Available

Pricing Type

$1.5 Per feautre

Location

United States

MTCaptcha is a specialized anti-spam software designed to protect websites and online services from malicious bots and automated spam submissions. This platform offers robust captcha solutions that are easy for users to complete while effectively blocking unwanted automated activity. With MTCaptcha, organizations can customize captcha settings to suit their specific needs, ensuring a seamless user... Read more about MTCaptcha

Free Trial

Available

Pricing Type

$0 Per month

Location

Singapore

PhoneMondo is an advanced anti-spam software solution designed to protect businesses and individuals from unwanted spam calls, messages, and fraud. With the increasing prevalence of spam and robocalls, PhoneMondo provides an effective defense against these disruptions, ensuring that your communications remain secure and efficient. The software uses advanced algorithms and real-time databases to id... Read more about PhoneMondo

Free Trial

NA

Pricing Type

$14.9 Per month

Location

Germany

Shelblock is an advanced anti-spam software designed to protect businesses and individuals from unwanted email threats. The platform utilizes powerful algorithms to detect and block spam, phishing attempts, and malicious content, ensuring that only legitimate emails reach the inbox. Shelblock scans incoming messages in real-time, identifying and filtering out harmful attachments, links, and suspic... Read more about Shelblock

Free Trial

Available

Pricing Type

Contact Vendor

Location

France

Spambrella is a comprehensive email management solution that focuses on enhancing email security, filtering spam, and improving email deliverability for organizations. This cloud-based software provides robust email protection by blocking unwanted messages, phishing attempts, and malicious content before they enter the corporate network. Spambrella uses advanced machine learning algorithms to cons... Read more about Spambrella

Free Trial

Available

Pricing Type

$1 Per month

Location

United States

SpamHero is a robust antispam software designed to protect organizations from unwanted email and enhance overall email security. With its advanced filtering technology, SpamHero effectively identifies and blocks spam, phishing attacks, and malware, ensuring that users receive only legitimate emails. The platform uses sophisticated algorithms and machine learning to adapt to evolving spam technique... Read more about SpamHero

Free Trial

Available

Pricing Type

$7 Per month

Location

United States

OOPSpam is an anti-spam software designed to prevent unwanted spam messages and protect digital communication channels for businesses. The platform uses machine learning algorithms and customizable filters to identify and block spam across email, comment sections, and contact forms, reducing manual filtering efforts. OOPSpam’s integration capabilities allow it to be added seamlessly to websites,... Read more about OOPSpam

Free Trial

Available

Pricing Type

$11.99 Per month

Location

Italy

Human Presence is a cutting-edge anti-spam software designed to protect your digital communications from unwanted and malicious content. Utilizing advanced machine learning algorithms and behavioral analysis, Human Presence accurately identifies and filters out spam emails, messages, and web traffic, ensuring that only legitimate communications reach your inbox and platforms. The software seamless... Read more about Human Presence

Free Trial

Available

Pricing Type

$6.99 Per month

Location

United States

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