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Best Anti-Spam Software

Compare the Top Anti-Spam Software as of October 2025

What is Anti-Spam Software?

Anti-spam software is designed to detect, block, and filter out unwanted or malicious email messages, often referred to as spam, that can clutter inboxes and potentially contain harmful content such as malware or phishing attempts. This software uses various methods such as blacklists, whitelists, Bayesian filtering, and machine learning algorithms to identify and block spam emails before they reach the user's inbox. Anti-spam solutions are essential for businesses and individuals to protect sensitive information, reduce the risk of cyberattacks, and improve email productivity by eliminating irrelevant or harmful messages. Compare and read user reviews of the best Anti-Spam software currently available using the table below. This list is updated regularly.

  • 1
    SpamTitan

    SpamTitan

    TitanHQ

    SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.
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    Starting Price: $2.14/user/month
  • 2
    Antideo

    Antideo

    Bizmindz Technologies LLP

    Protect your Outreach Channels from Temporary Emails & Spammers We help you validate Email Address, detect Location and validate the IP's against a know list of Spammers housed within various Open Source spammer lists Email Validation Avoid receiving disposable email addresses on your prospect forms IP Health Check Stop the use of Proxies from people visiting your Website or Mobile App Phone Validation Validate a wide range of both national and international numbers worldwide.
    Starting Price: $5 per month
  • 3
    Bulletproof Inbox

    Bulletproof Inbox

    Bulletproof Inbox

    The current state of email leaves your inbox wide open to anyone who has your address, inundating you with messages without your consent. The traditional method of achieving inbox zero falls short in the face of email's widespread exploitation. Manual solutions demand an unnecessary amount of time and can negatively impact your peace of mind. Enter Bulletproof Inbox, an email workflow tool that plugs in seamlessly to your Gmail or Outlook email address. Minimize distractions and create a focused email environment by eliminating unwanted email permanently. Reclaim your focus on the things that truly matter.
    Starting Price: $10 per month
  • 4
    DataValidation

    DataValidation

    DataValidation

    The most comprehensive email verification service in the email marketing industry! Our deliverability and compliance tools are used for managing email data, email list cleaning, and automating email validation. We perform extensive deliverability checks to analyze the health of an email address. One of our core beliefs is you should always know the quality of your email list(s) for free. View the health of your email lists in DataValidation’s self-service platform at any time. If your list needs maintenance, you can purchase and download the Address-by-Address Analysis. This analysis includes the following data for each email address: A+ to F grades, historical engagement, historical bounces, historical complainers, historical opt outs, history of spam traps, and history of deceased. We have 24/5 online support and you never have to worry about contracts, setup fees, or minimums. We work directly with ESPs so your data is safe with us. It’s free to get started. Upload a list t
    Starting Price: $3.50/one-time
  • 5
    MailChannels

    MailChannels

    MailChannels

    Secure and deliver email at scale. Use MailChannels to uncover bad actors and prevent spammers from taking advantage of your infrastructure. Monitor outgoing email messages for spam and unusual sending activity. Protect your customer inboxes against spam, phishing, and other email threats. A powerful, intuitive interface makes managing your customers simple and efficient. We operate across multiple clouds and minimize single points of failure to keep our services online, all the time. Get a real human response to your ticket within 30 minutes or less, 24/7/365. MailChannels Outbound Filtering is a cloud-based SMTP relay service which identifies and blocks spammers to ensure reliable email delivery. With Outbound Filtering, you can eliminate email delivery problems caused by IP address blocklisting. Automatically shut down compromised accounts and scripts to improve your security.
    Starting Price: $79.99 per month
  • 6
    Mailprotector

    Mailprotector

    Mailprotector

    Mailprotector delivers award-winning email experiences exclusively through our amazing partner resellers. Easy to use encrypted email with no plugins or apps. Bracket has turned using email encryption from dread to delight. Just wrap brackets around the [subject] in any email client on any device, and Bracket handles the rest. Total email security that filters all the junk people don’t want. CloudFilter delivers full-stack protection from annoying spam and crippling email-based virus and phishing attacks in a way that’s effective, efficient, and easy to use. Prevents spam proliferation and keeps damaging or sensitive data from being leaked via email. SafeSend expands beyond CloudFilter’s outbound filtering by giving greater control over outbound email traffic with custom content rules and more.
  • 7
    GBS iQ.Suite
    The use of collaboration tools and meeting platforms from vendors such as Microsoft and CISCO is constantly increasing, and with it the security measures that need to be taken. As more and more channels, more complex IT infrastructures and a large part of the platforms run entirely in the cloud, new gateways and attack vectors are emerging. While most organizations are constantly increasing their email security measurements, they often tend to overlook protection against malicious files, that enter the company via SharePoint or messenger, for example. The security capabilities currently available are often limited and ineffective. The platforms helps companies respond promptly to the dynamic and ever-changing threat landscape with a centralized cloud solution that fits both enterprises and small companies.
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