Apps similar to AntispamSniper for The Bat! include Mailwasher, which has a free version. Other options are SpamAssassin, Symantec Messaging Gateway, SmartInbox and Anti-Spam SMTP Proxy Server. In total there are five Anti-Spam Tools like AntispamSniper for The Bat! for Windows, Linux, Mac, Chrome OS and self-hosting.
Over 8 million people use MailWasher as their spam filter
Introducing MailWasher, the leader in spam filter software, and the easiest way to check and manage your e-mails before you download them.
MailWasher is free to use and wont ever expire. It works with Outlook, Outlook Ex.
New Zealand
Use this program to "Unspam" your mailbox(es). The program can be integrated with the mail server to automatically filter all mail for a site. It can also be run by individual users on their own mailbox and integrates with several mail programs.
Anti-spam gateway blocks more than 99% of spam with less than one in 1 million false positives and real-time automatic updates.
I’m personally getting a lot of Junk emails, one of the reasons is having a few LLC companies. A lot of other companies are trying to fix some issues (that don’t exist) or offer some services (that I don’t need).
United States
The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning...
