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Free Spam Filter for Outlook, Outlook Express, Thunderbird, Windows Mail and Windows Live Mail


SPAMfighter has partnered up with Microsoft to build the strongest, safest, and most effective anti spam filter on the market. If you use Outlook, Outlook Express, Windows Mail, Windows Live Mail or Thunderbird and you want to get rid of spam, just install SPAMfighter. And if you use it at home, it's 100% free.

Whenever new mail arrives, it will automatically be tested by SPAMfighter, and if it's spam, it will be moved to your spam folder. If you receive a spam mail that is not detected, click a single button, and the spam mail is removed from the rest of the 8,968,667 SPAMfighters in 238 countries/areas in seconds.

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Download SPAMfighter Free!

Perfectly integrated with Microsoft Outlook, Outlook Express, Windows Mail, Windows Live Mail (POP3) and Thunderbird

SPAMfighter Standard is 100% free for home users


  • Award winning technology to block spam
  • Protects all the email accounts on your PC
  • Privacy Guaranteed - we don't see any of your email
  • Blacklist and block emails and domains
  • Spam reporting with only one click - Get revenge now!
  • Unique language filtering tool - Stop emails in languages you don't understand
  • English, German, Spanish, Chinese, French, Italian, Greek, Dutch, Swedish, Norwegian, Suomi, Russian, Bulgarian, Portuguese, Japanese, Thai, Czech, Turkish, Polish, Vietnamese and Danish

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SPAMfighter Standard

SPAMfighter PRO

Automatic "real mail" protection - means no lost business mails!

Protection of multiple email accounts

There are no limits on how many email accounts you can protect on your PC. SPAMfighter protects all users, even if there are multiple users with different logins on your PC.

Blacklist domains and emails

SPAMfighter gives you complete control to customize your filter to your specific needs. You can easily blacklist annoying domains or emails, making sure you will never receive emails from these senders again.

Free automatic updates

Free automatic updates

Spam reporting with only one click - Get revenge now!

Get revenge now! By clicking "Block", you will not only make sure that the spam mail will be filtered as spam for EVERY other SPAMfighter user, but you will also actively take part in destroying the Spammers illegal business.

Automatic whitelist management

No manual keyword filter configuration or other rules to be adjusted when you use SPAMfighter. Just install SPAMfighter and forget about it. SPAMfighter will automatically train your filter to keep it highly effective!

Protects against phishing, identity theft, and other email fraud

Protects against "phishing", identity theft, and other email frauds

Interface in multiple languages!

Interface in multiple languages!

The right to use SPAMfighter in a company/organization

SPAMfighter Pro gives you the right to use our award winning and effective SPAMfighter filter on your PC in a company/organization. By buying SPAMfighter Pro you will also get rid of the footer in your outgoing emails, revealing to your customers and business contacts, that you are using the free non-commercial version of SPAMfighter intended for home use only.

Unique language filtering tool that empowers you to stop emails written in specific languages

SPAMfighter Pro has a unique built in language filter which allows you to filter e-mails written in 18 different languages. How often have you received spam in a language you never communicate in? SPAMfighter has developed a unique language module, which is easy to set-up and effectively filters all emails containing the chosen languages.

Option to move the toolbar in Microsoft Outlook

SPAMfighter Pro allows more flexibility and gives you the option to move the Toolbar wherever it suites you best within Microsoft Outlook.

Free phone support - Call us and get help if you need it

As a SPAMfighter Pro customer, you have access to free phone support during weekdays: Monday – Friday from 10-17 (CET).

Unlimited Blacklist/Whitelist entries

The Blacklist/Whitelist is a list where you can add email or domain addresses which you do not want to receive emails from in the future

No SPAMfighter footer in your emails

All SPAMfighter Standard users automatically get a small footer added to the bottom of their outgoing emails indicating that SPAMfighter is being used as anti-spam software, and how many spam mails have been blocked so far by SPAMfighter. It also includes a link to SPAMfighter.

Commercial-free email client

The Toolbar in SPAMfighter Standard contains an ad space in which different text-based ads are displayed.

Price (includes all upgrades and technical support)


Operating System

Windows 2000, XP, Vista and Windows 7 (32 and 64bit)

Email client

Outlook 2000, 2002, 2003, 2007, 2010, 2013 and 2016 (Office). Outlook Express 5.5 (and later) (32 Bit).
Windows Mail (Only 32bit), Windows Live Mail (Only POP3) and Mozilla Thunderbird.

Disk Space

10 MB


128 MB minimum

View live statistics of the spam that SPAMfighter has removed.

SPAMfighter has a very simple user interface.

Use SPAMfighter Exchange Module to stop spam on your network


FULL-DISKfighter is a fast, powerful and easy-to-use utility to free up valuable disk space by cleaning up those unwanted and error-making garbage files.

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Free scan

SPAMfighter Exchange Module

SPAMfighter Exchange Module is the easy-to-use spam and virus filter solution for Microsoft Exchange Server 2000, 2003, 2007, 2010, 2013 and 2016 or Microsoft Small Business Server (SBS) / Windows Server Essentials

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30 days free trial

Download SPAMfighter Free!

If you use SPAMfighter, it will block spam from your inbox, and if you by chance still receive a spam email, be pro-active by reporting it. This helps remove it from all other community members with a single click.

Start Download Now

Download SPAMfighter Free!


There are two versions of SPAMfighter:

SPAMfighter Standard

This is a free product and can only be used in homes and schools. In SPAMfighter Standard, a short text ad is displayed in your e-mail client, and an "I'm protected by SPAMfighter" message is attached as a footer to your outgoing e-mails. Also, you don't have the language filter and other useful features are missing.

SPAMfighter PRO

This is the product you download and get free for 1 month. After the trial, you can choose to pay only US$29.00 and keep the Pro version, otherwise you are automatically downgraded to the free SPAMfighter Standard. SPAMfighter Pro can be used in companies and other commercial environments and gives access to better protection, read more here.

SPAMfighter works with
Windows 8 & 10 Compatible

Windows 7,
Windows Vista,
Windows XP

We are also proud to be

Microsoft Gold Certified Partner

Intel Software Partner

OPSWAT Certified Partner