Top 15 K9 Alternative and Similar Softwares | Dec 2024

K9 is an email filtering application that works in conjunction with your regular POP3 email program and automatically classifies incoming emails as spam (junk email) or non-spam without the need for maintaining dozens of rules or constant updates to be downloaded. It uses intelligent statistical analysis that can result in extremely high accuracy over time.

1. Courier

Courier Courier was the evolution of the Calypso email client.It kept messages and attachments, account settings, filters, address book and program settings (including UI) within a single encrypted mailbox file.Features- Support for multiple email accounts- Configurable, intuitive interface- Support for POP and IMAP mailboxes- Ability to turn HTML mail viewing on......

2. Spamfence.net

Spamfence.net Professional e-mail security free for private use: With Spamfence.net eleven offers the professional e-mail security of the spam filter and e-mail categorisation service eXpurgate absolutely free for private use!This free spamfence service nevertheless is identical with the commercial eXpurgate.ASP version and reqires only a minimum of time and effort by......

3. bogofilter

bogofilter Bogofilter is a mail filter that classifies mail as spam or ham (non-spam) by a statistical analysis of the message's header and content (body). The program is able to learn from the user's classifications and corrections.Bogofilter is or can be integrated with graphical mailers, such as KDE's KMail, GNOME's Evolution......

4. Unsubscriber for Gmail

Unsubscriber for Gmail Lighten your email load: Unsubscriber for Gmail allows you to easily unsubscribe from mailing lists and newsletters, just by swiping! Swipe left to unsubscribe, swipe right to keep your subscription. Then, easily delete unsubscribed emails with a single tap to save space and make searches more efficient!......

5. PhilterIt

PhilterIt PhilterIt is a brand new, visual inbox that prioritizes the people and brands you care about the most. PhilterIt automatically filters all of your brand emails into icons. Keep your existing email address and read – what you want – when you want without worrying about digging, searching, or scrolling......

6. Proofpoint

Proofpoint Proofpoint, Inc. (NASDAQ: PFPT) helps the largest and most successful companies in the world protect and govern their most sensitive data. Proofpoint is an innovative security-as-a-service vendor that delivers data protection solutions that help medium- and large-sized organizations protect their data from attack and enable them to effectively meet......

7. Mailswipe

Mailswipe Mailswipe is an email triage app to optimize your (small) unoccupied times.- Process your Inbox in seconds: Full screen preview and 4 actions. Process up to 1 email per second!- Never forget an email again: Messages moved to "Later" are left unread (default), read+flagged, or read+flagged+archived according to your best......

8. Unroll.me

Unroll.me Unroll.me is an email unsubscribe engine that crawls through your inbox and pulls up a list of your subscriptions allowing you to choose which one to keep and which ones to unsubscribe from. After you press unsubscribe, we will take care of the rest.......

9. MailScanner

MailScanner MailScanner scans email for viruses, spam, phishing, malware, and other attacks against security vulnerabilities and plays a major part in the security of a network. By virtue of being open source, the technology in MailScanner has been reviewed many times over by some of the best and brightest in the......

10. GMX

GMX GMX Mail is a German-based free webmail service provided by GMX (Global Mail Exchange). In addition to an e-mail address, each GMX account includes a Mail Collector, Address Book, Organizer, and File Storage. One user can register up to 10 individual GMX e-mail addresses in one account.The application comes with......

11. AOL Mail

AOL Mail FREE e-mail account with IMAP, spam and virus protection with UNLIMITED storage (GMail max. 7.3 GB). Because of this AOL WebMail is ideal as E-mail archive or E-Mail-Backup utility for other Mail accounts. Move arriving E-Mails with E-Mail Filters (also search in text) in E-mail folders. E-Mail Filters can be......

12. EasyEmail Client

EasyEmail Client Email client and email notifier in one. Allows you to send, receive, and manage e-mails, get notifications of incoming email messages from your buddies, coworkers or family members online. Contains free email sender interface ready to cooperate with other software via XML, CSV or TXT files. Email client supports all......

13. Cloudmark DesktopOne

Cloudmark DesktopOne Cloudmark DesktopOne is a simple, accurate spam-blocker for email that runs independently from your email client. It filters spam, phishing, and email-borne viruses whenever your computer is on, even if your email application is not open. Supports: Microsoft Outlook 2003-2013, Outlook Express, Windows Mail, Mozilla Thunderbird 3 and up, Microsoft......

14. Courier-MTA

Courier-MTA The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework. Individual components can be customized, enabled or disabled at will.Certain......

15. Proxmox Mail Gateway

Proxmox Mail Gateway Proxmox Mail Gateway helps you protect your business against all email threats like spam, viruses, phishing and trojans at the moment they emerge. The flexible architecture combined with the userfriendly, web-based management make it simple for you to control all incoming and outgoing emails. You maintain a professional email workflow......