# Best Free Anti-spam Software Solutions 2026 | Capterra > Find and compare the 2026 best free Anti-spam software solutions, using our interactive tool to quickly narrow your choices based on businesses like yours. Source: https://www.capterra.com/anti-spam-software/s/free/ --- # Best Anti-spam Software for free ## Xeams Rating: 4.7 out of 5 (74 reviews) Profile: [Xeams ](https://www.capterra.com/p/182895/Xeams/) Visible tabs: Overview, Features, Gallery ### Overview tab #### What is this product about? An email server with a powerful built in spam and junk message filtering engine that eliminates up to 99% of spam upon installation. #### Rating breakdown - Ease of Use: 4.4 out of 5 - Customer Service: 4.6 out of 5 - Features: 4.6 out of 5 - Value for Money: 4.5 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: $0.00 Pricing details: Per User Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Allow/Block List: 5.0 rating - Spam Blocker: 5.0 rating - Spam Detection: 5.0 rating - Spam Quarantine: 4.0 rating ### Gallery tab Ease of use: 4.4 out of 5 (74 reviews) #### Related review snippet Reviewer: Tiago M. Reviewer details: Accounting, Self-employed Published: July 10, 2023 > "Xeams software is really easy to use , even for someone with less know can make it a tool really usefull for our security ." --- ## ALTOSPAM Rating: 4.8 out of 5 (73 reviews) Profile: [ALTOSPAM](https://www.capterra.com/p/176264/ALTOSPAM/) Visible tabs: Overview, Features, Gallery ### Overview tab #### What is this product about? SaaS software security filter : antispam, antivirus, antiphishing, antiransomwares. #### Rating breakdown - Ease of Use: 4.8 out of 5 - Customer Service: 4.8 out of 5 - Features: 4.7 out of 5 - Value for Money: 4.6 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: €9.00 Pricing details: Per User, Per Year Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Spam Blocker: 4.7 rating - Spam Detection: 4.6 rating - Spam Quarantine: 4.6 rating - Allow/Block List: 4.5 rating #### Lowest rated features - Phishing Protection: 4.4 rating - Reporting/Analytics: 4.4 rating - SURLB/URIBL Filtering: 4.3 rating - Encryption: 4.6 rating ### Gallery tab Ease of use: 4.8 out of 5 (73 reviews) --- ## LeanMail Rating: 4.8 out of 5 (43 reviews) Profile: [LeanMail](https://www.capterra.com/p/200711/LeanMail/) Visible tabs: Overview, Features, Gallery, Integrations ### Overview tab #### What is this product about? LeanMail brings relief for MS Outlook users who have tried to keep their inbox organized but have given up. 5 solutions in one. #### Rating breakdown - Ease of Use: 4.8 out of 5 - Customer Service: 5.0 out of 5 - Features: 4.6 out of 5 - Value for Money: 4.9 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: €7.50 Pricing details: Per Feature, Per Month Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Spam Blocker: 4.5 rating - Archiving & Retention: 5.0 rating - Allow/Block List: 4.0 rating - Email Management: 4.0 rating ### Gallery tab Ease of use: 4.8 out of 5 (43 reviews) #### Related review snippet Reviewer: Charlotte J. Reviewer details: Hospitality, 10,001+ employees Published: October 3, 2023 > "Easy to use product and made my daily email tasks less daunting and more productive." ### Integrations tab LeanMail connects with 2+ software tools. [See all integrations](https://www.capterra.com/p/200711/LeanMail/#integrations) #### Most popular integrations - Microsoft 365: 4.6 rating - Microsoft Outlook: 4.5 rating --- ## Spambrella Rating: 4.8 out of 5 (42 reviews) Profile: [Spambrella](https://www.capterra.com/p/174341/Spambrella/) Visible tabs: Overview, Features, Gallery, Integrations ### Overview tab #### What is this product about? Spambrella is used Globally by some of the Worlds largest and most successful security service providers. #### Rating breakdown - Ease of Use: 4.5 out of 5 - Customer Service: 4.6 out of 5 - Features: 4.5 out of 5 - Value for Money: 4.4 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: $1.00 Pricing details: Flat Rate, Per Month Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Spam Blocker: 4.5 rating - Allow/Block List: 4.3 rating - Spam Detection: 4.7 rating - Spam Quarantine: 4.0 rating #### Lowest rated features - Encryption: 3.0 rating - Phishing Protection: 3.0 rating - Reporting/Analytics: 3.0 rating - Search/Filter: 3.5 rating ### Gallery tab Ease of use: 4.5 out of 5 (42 reviews) #### Related review snippet Reviewer: Colin T. Reviewer details: Financial Services, 1-10 employees Published: February 20, 2023 > "Easy to use with high thresholds for spam filtering with various extra features" ### Integrations tab Spambrella connects with 2+ software tools. [See all integrations](https://www.capterra.com/p/174341/Spambrella/#integrations) #### Most popular integrations - ConnectWise PSA: 4.1 rating - ConnectWise Automate: 4.1 rating --- ## MailCleaner Rating: 4.6 out of 5 (26 reviews) Profile: [MailCleaner](https://www.capterra.com/p/93208/MailCleaner/) Visible tabs: Overview, Features, Gallery, Integrations ### Overview tab #### What is this product about? Professional anti spam and threats server protection for ISP, SME, SMI & large companies. #### Rating breakdown - Ease of Use: 4.5 out of 5 - Customer Service: 4.3 out of 5 - Features: 4.6 out of 5 - Value for Money: 4.6 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: $130.00 Pricing details: Other, Per Year Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Spam Blocker: 5.0 rating - Spam Detection: 5.0 rating - Spam Quarantine: 4.7 rating - Allow/Block List: 5.0 rating #### Lowest rated features - Anti Spam: 4.0 rating - Reporting/Analytics: 4.0 rating - Encryption: 4.5 rating - Anti Virus: 5.0 rating ### Gallery tab Ease of use: 4.5 out of 5 (26 reviews) ### Integrations tab MailCleaner connects with 2+ software tools. [See all integrations](https://www.capterra.com/p/93208/MailCleaner/#integrations) #### Most popular integrations - Google Workspace: 4.7 rating - Microsoft 365: 4.6 rating --- ## IPQS Rating: 4.9 out of 5 (19 reviews) Profile: [IPQS](https://www.capterra.com/p/233381/IPQualityScore/) Visible tabs: Overview, Features, Gallery ### Overview tab #### What is this product about? IPQS provides innovative fraud prevention solutions with real-time data, advanced APIs, and customizable scoring settings. #### Rating breakdown - Ease of Use: 4.7 out of 5 - Customer Service: 5.0 out of 5 - Features: 4.8 out of 5 - Value for Money: 4.8 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: Not available Pricing details: Other, Per Month Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Spam Detection: 5.0 rating - Spam Blocker: 4.0 rating ### Gallery tab Ease of use: 4.7 out of 5 (19 reviews) --- ## SilverSky Email Protection Suite Rating: 4.5 out of 5 (17 reviews) Profile: [SilverSky Email Protection Suite](https://www.capterra.com/p/198920/SilverSky-Email-Protection-Suite/) Visible tabs: Overview, Features, Gallery, Integrations ### Overview tab #### What is this product about? SilverSky provides advanced email protection, compliance and information protection solutions to keep your company and users safe. #### Rating breakdown - Ease of Use: 4.4 out of 5 - Customer Service: 4.5 out of 5 - Features: 4.4 out of 5 - Value for Money: 4.1 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: Not available Pricing details: Per Feature Free trial: No Free demo: No ### Features tab #### Most popular features - Spam Blocker: Available - Spam Detection: Not available - Spam Quarantine: Available - Allow/Block List: Available - Reporting/Analytics: Available - Encryption: Available - Archiving & Retention: Available - Email Routing: Not available - AI Copilot: Not available - Generative AI: Not available ### Gallery tab Ease of use: 4.4 out of 5 (17 reviews) ### Integrations tab SilverSky Email Protection Suite connects with 2+ software tools. [See all integrations](https://www.capterra.com/p/198920/SilverSky-Email-Protection-Suite/#integrations) #### Most popular integrations - Microsoft 365: 4.6 rating - Gmail: 4.8 rating --- ## INLYSE Malware.AI Rating: 5.0 out of 5 (14 reviews) Profile: [INLYSE Malware.AI](https://www.capterra.com/p/10004001/INLYSE-Malware-AI/) Visible tabs: Overview, Features, Gallery ### Overview tab #### What is this product about? INLYSE Malware.AI is an AI-based security platform that quickly detects malware and cyber-attacks. #### Rating breakdown - Ease of Use: 5.0 out of 5 - Customer Service: 4.8 out of 5 - Features: 4.9 out of 5 - Value for Money: 4.9 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: €2.50 Pricing details: Per User, Per Month Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Anti Virus: 5.0 rating - Spam Blocker: 5.0 rating - Spam Detection: 5.0 rating ### Gallery tab Ease of use: 5.0 out of 5 (14 reviews) --- ## MTCaptcha Rating: 5.0 out of 5 (1 reviews) Profile: [MTCaptcha](https://www.capterra.com/p/188987/MTCaptcha/) Visible tabs: Overview, Features, Gallery, Integrations ### Overview tab #### What is this product about? Provide enterprises with continuous risk profiling and best of class security solutions as easy to use plugins and SaaS. #### Rating breakdown - Ease of Use: 5.0 out of 5 - Customer Service: 5.0 out of 5 - Features: 5.0 out of 5 - Value for Money: 5.0 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: $170.00 Pricing details: Flat Rate, One Time Free trial: Yes Free demo: No ### Features tab #### Most popular features - Spam Blocker: Available - Spam Detection: Available - Spam Quarantine: Not available - Allow/Block List: Not available - Reporting/Analytics: Not available - Encryption: Not available - Archiving & Retention: Not available - Email Routing: Not available - AI Copilot: Not available - Generative AI: Not available ### Gallery tab Ease of use: 5.0 out of 5 (1 reviews) ### Integrations tab MTCaptcha connects with 4+ software tools. [See all integrations](https://www.capterra.com/p/188987/MTCaptcha/#integrations) #### Most popular integrations - WordPress: 4.6 rating - Drupal: 4.2 rating - Angular: 4.6 rating - React2: 5.0 rating --- ## OOPSpam Rating: 5.0 out of 5 (1 reviews) Profile: [OOPSpam](https://www.capterra.com/p/198613/OOPSpam-Anti-Spam/) Visible tabs: Overview, Features, Gallery ### Overview tab #### What is this product about? Privacy-friendly, highly accurate anti-spam filter for contact forms and comment systems. #### Rating breakdown - Ease of Use: 5.0 out of 5 - Features: 4.0 out of 5 #### Pros and cons based on reviews Not available #### Starting price Starting price: €11.99 Pricing details: Flat Rate, Per Month Free trial: Yes Free demo: No ### Features tab #### Highest rated features - Spam Blocker: 5.0 rating - Spam Detection: 5.0 rating - Allow/Block List: 4.0 rating - Reporting/Analytics: 4.0 rating ### Gallery tab Ease of use: 5.0 out of 5 (1 reviews) --- ## Top-rated software of 2026 ### Fill out the form and we'll send a list of the top-rated software based on real user reviews directly to your inbox. Filter (14) Products: Sort By: Featured Partners * * * Plan Type Free Trial Popular 85% of professionals opt for a 30-day trial before the software purchase Other subsciption plans: Free Version Monthly Subscription Annual Subscription One-Time License Key Features All key features Popular We have selected the most important and critical features as defined by Capterra user reviews AI Copilot Allow/Block List Archiving & Retention Email Routing Encryption Generative AI Reporting/Analytics Spam Blocker Spam Detection Spam Quarantine Deployment Cloud, SaaS, Web-Based Desktop Mac Desktop Windows Desktop Linux On-Premise Windows On-Premise Linux Desktop Chromebook Mobile Android Mobile iPhone Mobile iPad Related Software Category: [Email Security Software](https://www.capterra.com/email-security-software/)[Website Accessibility Software](https://www.capterra.com/website-accessibility-software/)[VPN Software](https://www.capterra.com/vpn-software/)[Firewall Software](https://www.capterra.com/firewall-software/)[Website Security Software](https://www.capterra.com/website-security-software/)[DDoS Protection Software](https://www.capterra.com/ddos-protection-software/)[Network Access Control (NAC) Software](https://www.capterra.com/network-access-control-software/)[Secure Email Gateway Software](https://www.capterra.com/secure-email-gateway-software/)[Cloud Access Security Broker (CASB) Software](https://www.capterra.com/cloud-access-security-broker-casb-software/) I'm looking for Anti-spam Software that is: [For Mac](https://www.capterra.com/anti-spam-software/s/mac/)