Top Tools / June 8, 2022

The world's biggest online directory of resources and tools for startups and the most upvoted product on ProductHunt History.

Top 30 Email Anti-spam Tools

Email Anti-spam tools are designed to detect and filter potentially harmful emails from reaching users' inboxes. Anti-spam protocols define what constitutes an unsolicited and unwelcome message (spam); spam frequently promotes a product, which may be genuine (though still undesired) or malevolent. This is also important for email security.

In the list of the top tools, we have mentioned the top 30 Email Anti-spam tools.

You may select between them based on their features and cost.

1. N-able Mail Assure

N-able Mail Assure is a cloud-based email security service for commercial IT departments and managed service providers. MSPs may provide spam and virus protection to their customers' email systems using the platform's multi-tenant option, which eliminates the risk of data breaches across client accounts.

Key Features:

  • Can accommodate big multi-tenant systems or enterprise networks with many domains, locations, and mail servers since it is built to grow.

  • To discover and stop new and emerging attacks, it uses a backend database of threat intelligence.

  • Because it is cloud-based, it is more versatile than most on-premise systems.


Offers a free trial.

2. Trustifi Inbound Shield

Trustifi Inbound Shield is a cloud-based email security solution with an API that you can integrate into your own mail server. When you enable this plug-in, it initiates a call to the remote process, which scans all incoming mail.

Key Features:

  • Installation does not necessitate any structural alterations.

  • Admins have the ability to evaluate quarantined items, which reduces end-user interruption.

  • It can also detect harmful links to websites that are impersonating or contaminated.


Request a quote from the sales team.

3. SpamTitan

SpamTitan is a Microsoft Office 365-specific web-based anti-spam tool. The program is intended to detect phishing emails, spear-phishing assaults, and zero-day attacks. To detect the most recent threats, SpamTitan uses a combination of machine learning and Bayesian analysis.

Key Features:

  • To detect and stop attacks, it employs artificial intelligence and behavioral analytics.

  • Allows for manual threat prioritizing.

  • Controls whether mail reaches your inbox or is prevented from future contact via IP address whitelisting and blacklisting.


Starts at $1.49/month/user.

4. Mailwasher

Mailwasher is a spam filtering application that prevents spam from reaching your inbox. Mailwasher is compatible with all email providers on desktop and mobile devices, and the software's wide variety of email accounts makes it useful in business settings.

Key Features:

  • Malicious attachments can be scanned and deleted before they reach the inbox.

  • Filters out objectionable information, making it a suitable choice for protecting children's email accounts.

  • You can add colleagues and clients to your 'friends' list to prevent misleading warnings.


You can start for free

5. SpamSieve

This spam filtering solution utilizes machine learning to enhance spam detection in your Inbox over time. It features whitelisting and blacklisting. You may create your own block list and alter other aspects of the interface, such as the color and style.

Key Features:

  • It works with your current email client.

  • Machine learning is used to enhance and adapt spam detection.

  • Customization is possible thanks to settings and scripts.


Starts at $30/year.


ZEROSPAM is a cloud-based anti-spam system that guards against spam, malware, and phishing emails. If you get an email with a malware attachment or a poor link, ZEROSPAM will prevent it.

Key Features:

  • Because it is cloud-based, there is no need for extensive setup or onboarding.

  • It operates from 20 separate locations, increasing its dependability.

  • Anti-spam software has a low false-positive rate, which helps to prevent business-related emails from being lost in the spam filter.


You need to ask for a quote from the sales team.

7. Comodo Dome Antispam

Dome Antispam by Comodo is a spam protection product for business users. Comodo Dome Antispam analyses and filters emails to protect your mailbox from cybercriminals. Comodo Dome Antispam employs its Valkyrie file verdict platform to assess files as they are downloaded while downloading files from the inbox.

Key Features:

  • Analyzes files for dangers as they are downloaded and before they reach the inbox.

  • Advanced email filtering can weed out or categorize emails based on keywords, sender, and size.

  • On-premise or cloud-based options are available.


Contact the sales team for a quote.

8. MX Guarddog

MX Guarddog is a spam filter that protects your email inbox with TLS encryption. MX Guarddog protects against phishing attacks, malware, DDoS assaults, and viruses, to name a few. You may read a quarantine report once any communication is banned, which will display the message content that was prevented.

Key Features:

  • Comparable solutions have a better user interface.

  • False positives can be readily removed from quarantine.

  • Defends against both phishing and file-based malware.


Starts at $0.25/email address/month.

9. SPAMfighter

SPAMfighter is a spam filter for Outlook, Outlook Express, Thunderbird, Windows Mail, and Windows Live Mail that works with Outlook, Outlook Express, Thunderbird, Windows Mail, and Windows Live Mail. When you report a suspicious email, the program adds the sender to a blacklist and prevents subsequent emails from reaching your inbox.

Key Features:

  • Multiple languages are supported, making it ideal for worldwide use.

  • View real-time email data such as volume, spam ratio, and banned spam attempts.

  • Spam that gets through can be sent so that the system can learn to recognize it in the future.


Offers a free version.

10. ORF Fusion

ORF Fusion is a spam filtering program built primarily for corporate applications. The technology filters out false positives, ensuring that only authentic email reaches your inbox.

Key Features:

  • Very complex, and designed specifically for email administrators.

  • Provides comprehensive IP address, IP range, country, and DNS blacklisting.

  • Before reaching the inbox, email has to travel through 23 separate filters.


Starts at $55/10 per user/year.

11. Security Gateway by MDaemon

To keep good emails flowing in and out, Security Gateway uses the most up-to-date email threat detection technology and policy enforcement capabilities. The email threat detection system from Security Gateway is one of the greatest anti-spam systems available, having protected email servers against viruses, spam, phishing, data loss, and other threats for over 20 years.

Key Features:

  • Customers may set policies that identify and prohibit the illicit transfer of sensitive data outside of the network using the Security Gateway's easy interface.

  • Enterprises may utilize MDaemon's Security Gateway to manage private accounts and assign user access to workers.

  • To automatically screen harmful emails and safeguard data, users might utilize secure sockets layer (SSL) encryption technologies.


Starts at $1/user/month.

12. Inky

Inky is a cloud-based email security program that is much more than simply AI. Because the program is driven by unique computer vision, machine intelligence, and extensive analytics, Inky is one of the most successful solutions in the fight against phishing.

Key Features:

  • Inky offers an easy-to-use interface.

  • Inky is a safe program to use since it has built-in encryption and anti-spam filters.

  • Customers in the mid-market to businesses that wish to avoid phishing attempts that get past existing email security solutions will find Inky to be ideal.


You can start for free.

13. Malwarebytes

The most efficient anti-infection tool has always been Malwarebytes. Malwarebytes, as one of the best anti-spam solutions, protects users' email from dangers, particularly for iOS users.

Key Features:

  • Malwarebytes for iOS includes call and spam blocking, complete internet browser protection, message filtering, and other features.

  • When using Safari, web protection prevents websites that include ransomware, phishing schemes, and other online threats.

  • Another advantage of Malwarebytes for iOS is the ability to filter suspicious and fraudulent SMS.


Starts at $1.33/device/month.

14. Symantec Email Software

Email is a cloud-based service that helps organizations protect themselves against email and malware threats across on-premise and cloud platforms.

Key Features:

  • Targeted attack campaigns and harmful emails can be seen by teams utilizing Email

  • By blacklisting and confining assaults throughout the organization's security environment, users may identify the severity of an attack and arrange corrective measures.

  • The service gives businesses security awareness and protection against a variety of vulnerabilities, allowing them to reduce business risks by detecting phishing assaults.


Request the sales team to provide a quote.

15. ContentCatcher

ContentCatcher is a cloud-based anti-spam and email security solution for enterprises of all sizes.

Key Features:

  • Businesses may use the centralized platform to analyze email attachments or URLs for malware or ransomware, restrict harmful files, and give staff limited access.

  • Artificial intelligence and machine learning technologies are used by the system to automatically screen phishing emails based on structure, content, envelope headers, graphics, email sender reputation, and other factors.

  • Users can utilize encryptions such as Public Key Infrastructure to safeguard emails in transit and protect content.


Starts from $1.50/month.

16. SaneBox

The sophisticated AI in SaneBox filters away irrelevant emails from your Inbox. All distractions are sent to SaneLater by default, but you may further organize them with different folders.

Key Features:

  • You meet so many individuals in a lifetime that it's difficult to remember them all. SaneBox can tell you who you know at any firm you're affiliated with.

  • All of your attachments should be kept in one location. It may upload the files to your preferred cloud provider automatically.

  • SaneCC will assist you in focusing on actionable things and bulk-reviewing "FYI" emails.


Starts from $3.49/month.

17. MailCleaner

MailCleaner is an anti-spam solution for organizations of all sizes that helps them screen risks and possibly hazardous information from incoming communications.

Key Features:

  • Users may use the solution to authenticate the identities of sending mail servers and apply different spammer blacklists such as Spamhaus, SIP,, and others.

  • Language, report frequency, the action was taken on identified spam, and alias address bundling may all be customized by administrators.

  • A newsletter recognition module is included in the artificial intelligence-enabled platform, allowing users to recognize or categorize newsletters and shift unneeded communications to quarantine.


Starts from $130/year.

18. GFI MailEssentials

GFI MailEssentials is a cloud-based anti-spam solution that assists small and big businesses in managing spam emails and preventing virus risks.

Key Features:

  • It gives customers access to an administrative dashboard where they can see current changes, logs, and email statistics, as well as produce reports on email interactions across the company.

  • The exploit engine may be used by managers to identify dangerous email-based Trojan executables and quarantine suspicious files.

  • To identify new system risks, GFI MailEssentials integrates with third-party anti-virus engines such as Bitdefender, Avira, Sophos, Kaspersky, and Cyren.


Starts from $99.

19. Phish Protection Email Security

Phish Protection Email Security with Advanced Threat Protection is a cloud-based email security package for enterprises that prevents phishing attacks, spoofing, and other harmful threats via email in real-time, without the need to install any expensive tools or software.

Key Features:

  • Protect your users against phishing scams by providing them with a warning if they are about to visit a dangerous website.

  • Subscriptions to the most advanced outbreak prevention feeds are included in Link Click Protection for real-time protection.

  • Advanced Threat Defense is a multi-layered method of email security.


You may request a quote from the sales team.

20. Barracuda Sentinel

Barracuda Sentinel is a cloud-based solution for protecting email accounts from spear phishing, account takeover, and impersonation.

Key Features:

  • Users may spot fraudulent messages and email addresses mimicking workers or web services using the AI-enabled application.

  • Administrators may use Barracuda Sentinel to track suspicious login credentials and behavior, get warnings for anomalous sign-in activity, and inform recipients about illegal account access.

  • Supervisors may use the solution to keep an eye on valid domains, execute email authentication, and create DMARC reports.


Reach out to the sales department for a quote.

21. EuropeanMX

EuropeanMX is a cloud-based security program that can be used by companies of any size.

Key Features:

  • A machine-learning filtering system in the solution can recognize cyber attack trends and spam attempts.

  • For remote administration, a web interface is offered.

  • There are additional reporting tools, data logs, and customizable whitelists and blacklists available.


Starts from €4.90/month.

22. Mailinblack

Mailinblack is an on-premise and cloud-based email security service that helps companies monitor incoming emails and protect inboxes from spam and malware attacks.

Key Features:

  • It allows administrators to detect risks and apply filters to verify the presence of the receiver and the sender's domain.

  • Users may customize security settings and ban malicious senders using Mailinblack.

  • It also allows supervisors to recover pending emails and assess the number of approved senders, viruses that have been stopped, and communications that have been processed.


Request a quote from the sales team.

23. Defencebyte

Defencebyte Antimalware is an on-premise security system that includes capabilities for protecting individual devices from malware.

Key Features:

  • Users may use Defencebyte Antimalware to scan their systems, file locations, and harmful URLs for objects that may pose a threat to their PC's health.

  • Rootkits, worms, trojans, adware, infections, spyware, and other potentially malicious apps are all scanned and identified by the solution.

  • Users may schedule system scans and issue diagnoses as needed using this solution.


Starts at $39/year/user.

24. Area 1 Horizon

Area 1 Horizon is an email gateway that helps organizations identify and neutralize phishing attempts on websites, emails, and networks.

Key Features:

  • Administrators can get warnings about prohibited web-based ads and acquire insight into ongoing phishing activities.

  • Area 1 Horizon enables teams to avoid data exfiltration by blocking phishing command-and-control (C2) interactions.

  • To detect malware and phishing attempts, operators might utilize web crawling, user impersonation, and sandbox testing.


Offers a free trial.


ALTOSPAM is a cloud-based email security solution for businesses, government agencies, and associations of all kinds.

Key Features:

  • The solution may be set up in a matter of seconds, allowing the customer to swiftly safeguard all of the company's emails.

  • ALTOSPAM works with every email server, Office 365, and email provider.

  • The operation's idea is to clean our clients' communications before retransmitting it to the company's messaging server.


Starts from €7.00/year.

26. LeanMail

By providing tools and training that maximize the ratio of time and effort to action and real outcomes, LeanMail sets the standard for efficient and successful email management.

Key Features:

  • Reduces client wait times while enhancing employee happiness and well-being, and uses a systems approach to email management that encourages waste reduction and increased profitability.

  • Individual modules of LeanMail's proprietary software can be engaged by the user on demand.

  • Because it is client-based, LeanMail is completely secure, and it integrates easily with Outlook without requiring any server connections, with the exception of the licence server, which controls which modules are utilised.


Starts from €4.00/month.

27. DataDome

DataDome is redefining the way online fraud and bot control are done. It protects mobile applications, websites, and AP

Is from online fraud as part of its objective to liberate the web from fraudulent traffic so that sensitive data stays safe and online platforms may perform at their best.

Key Features:

  • DataDome is an important part of your application's edge security, and it's easy to set up and grow.

  • Thanks to strong technical and business connections with all of the market leaders, it is compatible with 100 percent of web infrastructure technologies.

  • It works with multi-cloud and multi-CDN setups and operates everywhere, in any cloud.


Starts from $2,990.00/month.

28. ZeroBounce

ZeroBounce is a tool that helps organizations optimize their inbox placement by verifying, grading, and delivering emails.

Key Features:

  • The program looks for email typos, inactive or abusive email accounts, spam traps, and other potentially dangerous email addresses.

  • To improve email inbox placement, ZeroBounce also offers an email rating service and a suite of deliverability tools.

  • The organization has a military-grade security architecture in place to ensure that consumer data is kept safe at all times.


Available free for upto 100 e-mails.

29. SpamCheetah

SpamCheetah is a low-cost and effective technique to protect mail servers against spam, spyware, and viruses. It acts as an SMTP proxy, preventing all types of phishing and email compromise at the SMTP level.

Key Features:

  • Greylisting, blacklisting, URL scanning, malware API checks, and other network-level measures are employed.

  • Standard email gateway capabilities such as sender and recipient-based blocking are included.

  • It also includes quarantine reports, mail metadata reports, and much more, as well as attachment size blocking, MIME type filtering, and pattern-based blocking.


Starts from $1/month per user.

30. BroShield

BroShield enables you to get complete control over the internet. You can monitor the stuff that your child is exposed to.

Key Features:

  • Allows you to block pornographic websites and other hazardous information.

  • Allows you to keep track of how much time you spend online.

  • BroShield's fail-safe function is meant to search for all remote spying actions in order to avoid being hacked.


Starts from $49.95/year.

Things to consider while selecting Email Anti-spam Tools

How can you determine whether you need to upgrade your anti-spam software?

When choosing a new anti-spam solution, business executives should analyse where their present alternatives fall short and what operational pain points they want to address. You may start by asking, "How much space does your present anti-spam operation consume?"

A new anti-spam solution might free up additional IT resources if your technique is taking up a lot of server space.

What is your current state of cybersecurity?

A more active anti-spam platform can help shore up your defenses if you're concerned about possible risks from malware, ransomware, and social engineering assaults—or, worse, if you or any of your customers have lately been a victim of any of these sorts of attacks.

Consider the workflows of your technicians

Less complex anti-spam methods may need a significant amount of maintenance, such as manually updating lists and checking for false positives. It's perhaps worth looking at a different solution if you require your experts to work on more important issues than anti-spam.


In this article, we discussed the different Email Anti-spam Tools. Hope this has given you a clear idea and how you can choose your desired Email Anti-spam Tool.


Is it necessary to scan outgoing emails?

The outgoing email should be scanned for two reasons. The first is to stop spam emails from being sent from your domain's addresses. Because of the large level of spam, all emails sent from your domain name will be screened out as spam. This is a reputation management issue. The second goal is to prevent data loss.

Is it possible for spammers to detect when you open an email?

A read receipt notification feature is available in several email systems. However, the recipients of those systems' email clients can prohibit the delivery of email opening confirmations, but other systems, such as Gmail, only allow read receipt notifications between email addresses inside their domain.

Can I trust anti-spam software businesses with my private emails?

Anti-spam software is typically used as a filter. They don't keep emails on their own servers, so your privacy isn't jeopardized. End-to-end encryption ensures that no proxy service can see the contents of important emails.

Why do people get so many scam emails?

Spammers typically purchase email addresses in bulk from dedicated suppliers to add to their mailing lists. If you've noticed an increase in the number of spam emails arriving in your inbox, it's likely that your email address was recently sold to one or more criminals.

What exactly is E-mail cloaking?

In an e-mail message or distribution, cloaking is the process of hiding the sender's identity and address. For a variety of reasons, including the risk that the originator's own e-mail server would be flooded with retributive spam, an individual or corporation that distributes spam, or as they like to term it, "bulk e-mail," frequently hides their own e-mail address.

Top 30 Email Anti-spam Tools

The world's biggest online directory of resources and tools for startups and the most upvoted product on ProductHunt History.