Spam is everywhere

Spam is flooding online with messages people don’t want. According to the 2017 statistics by Barracuda, 91.8% of the emails through their anti-spam filtering program are spam, virus submissions, and Web requests – spam blocker stops 91.8% spam emails and allows only 8.2% to pass.

Best Free Spam Filter SoftwarePersonal Spam Filters and Enterprise Email Sever Spam Blockers

As a result of online spam flooding, an excellent spam blocker could help make the Internet life much better. How to get one at low price or even for free? The first step is to know the difference between personal and enterprise spam filters.
An individual may need a personal anti-spam filtering solution for his Outlook Express or POP3 email accounts. This kind of software could be low cost or even free.
On the other hand, a company may need a business spam filter for their corporate email server. This could cost up to tens of thousand US dollars if they have tens of thousand multiple email accounts.

Best Free Personal Email Anti-Spam Filtering Programs

A commercial POP3 spam filter may cost tens of US dollars. For example, SpamEater Pro is a spam fighter sold at $24.95. It supports any of the standard POP3 mailboxes, and can work with Hotmail, Yahoo, and other web based email accounts. SpamEater Pro also supports online spam blacklist databases, which are updated daily.
Similar spam stoppers include ChoiceMail One, Spam Killer, CA Anti-Spam + CA Website Inspector, SpamNet, Spam Agent, SPAMfighter, MailWasher Pro, Spam Buster, iHateSpam, etc.
At the same time, there are many kinds of free Outlook or Outlook Express or POP3 email spam stopper software available for download in Internet. Each of them has its own advantages and disadvantages.

They include:

  • SPAMfighter is a spam filter for Outlook, Outlook Express, Windows Mail or Thunderbird. The version SPAMfighter Standard is free for home and school users. But SPAMfighter Pro costs $29.
  • POPFile is a powerful POP3 spam blocker. But it consumes too much memory and CPU resources when running.
  • SpamBayes, K9, SpamPal, and Spamihilator are free Bayesian spam fighters that can identify and eliminate spam precisely. SpamPal can help users import and manage spam blacklists.
  • Other free anti-spam filtering software include eXpurgate, Spamato, SpamExperts Desktop, and Spamihilator.

Best or Low Cost Spam Filter Gateway for Corporate Email Servers

Barracuda spam filter, or called Barracuda Spam & Virus Firewall, is a hosted mail server spam filter. It integrates hardware and software solutions to protect email servers from spam, virus, spoofing, phishing and spyware.
Barracuda spam fighters are excellent but costly to some people. The cheapest version is the Barracuda 100 Spam & Virus Firewall, which supports 50 email users at a price of more than $600. The Barracuda Spam & Virus Firewall 900 version supports up to 30,000 active users at a price of more than $28,000.
Fortunately there are some free or open source spam filters for email severs. They provide affordable enterprise anti-spam filtering solutions. For example, Anti-Spam SMTP Proxy (ASSP) Server is an open source hosted spam stopper which implements Bayesian, Greylisting, auto-whitelists and multiple filter methods including anti-virus filtering. It works with all the standard SMTP servers such as Exchange, Courier, Mercury, Lotus Notes, Sendmail, qmail, Postfix, Imail, Hmailserver, and Kerio.
Once mail server spam filters block junk emails precisely at low cost, people could have a better life without spam persecution.