Keep your data private! Install Clario for mobile and desktop.
Try NowAd
SpamAssassin
SpamAssassin
3.4.4
3.7
0.0
SpamAssassin free download for Mac

SpamAssassin for Mac3.4.4

20 May 2020

Server side spam email blocker.

What is SpamAssassin for Mac

SpamAssassin is a mail filter which attempts to identify spam using a variety of mechanisms including text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases.

Using its rule base, it uses a wide range of heuristic tests on mail headers and body text to identify "spam", also known as unsolicited commercial email. Once identified, the mail can then be optionally tagged as spam for later filtering using the user's own mail user-agent application.

SpamAssassin typically differentiates successfully between spam and non-spam in between 95% and 100% of cases, depending on what kind of mail you get and your training of its Bayesian filter. Specifically, SpamAssassin has been shown to produce around 0.9% false negatives (spam that was missed) and around 0.1% false positives (ham incorrectly marked as spam). See the rules/STATISTICS*.txt files for more information.

What's new in SpamAssassin

Version 3.4.4:
  • CVE-2020-1931 for Nefarious rule configuration (.cf) files can be configured to run system commands with warnings.
  • CVE-2020-1930 for Nefarious rule configuration (.cf) files can be configured to run system commands with sa-compile.

Related articles

Try our new feature and write a detailed review about SpamAssassin. All reviews will be posted soon.
Write your thoughts in our old-fashioned comment
MacUpdate Comment Policy. We strongly recommend leaving comments, however comments with abusive words, bullying, personal attacks of any type will be moderated.
0.0
(0 Reviews of )
There are no reviews yet
Emale999
Emale999
May 29 2016
3.3.2
0.5
May 29 2016
0.5
Version: 3.3.2
Something seem wrong with this download: It only downloads the creepy "MacUpdate Installer". Where's the "deadlink"-Button?
Sanjinko
Sanjinko
Mar 5 2012
3.3.1
0.0
Mar 5 2012
0.0
Version: 3.3.1
SpamAssassin 3.3.2 has been released on 16 June 2011
Jazzyguy
Jazzyguy
Jun 12 2007
3.2.1
0.0
Jun 12 2007
0.0
Version: 3.2.1
This is NOT an application that can simply be placed in your applications folder and then launch it and configure it for your pop mail account in mail.app First you have to install the developer tools and then use Terminal to go through all kinds of permutations and commands. This app is for the users who know how to use Unix and are one of the brave and fearless. Unfortunately I am not one of them although I have dabbled with Fink and X11 I am depite all my years of experience with my Macs an ingenue and dilittente nevertheless. More power to those who can use this!
Foulger
Foulger
May 2 2007
3.2
0.0
May 2 2007
0.0
Version: 3.2
Great Product - worthy of a UB upgrade. Thanks to the developer for providing this essential tool free of charge.
Brian Kendig
Brian Kendig
Apr 29 2005
3.0.3
4.8
Apr 29 2005
4.8
Version: 3.0.3
SpamAssassin is superb, especially when paired up with a mail server that makes good use of it. I have a Mac OS X 10.3.9 machine (not Server) on which I run the Exim mail server software, hooked up to SpamAssassin via SA-Exim. It's all free software. The mail server uses SpamAssassin to identify spam before it's accepted, so that it can refuse delivery. The result is that the spam never even appears in my junk mail folder; it's refused before it even gets to me.
Guest
Guest
Dec 21 2004
3.0.2
4.3
Dec 21 2004
4.3
Version: 3.0.2
SpamAssassin is not magic. If your ISP/web hosting provider offers it and it isn't working well, they haven't set it up properly. I get hundreds to thousands of spam message per day on one account, and SpamAssassin is by far the best tool for filtering it out.
Guest
Guest
Sep 22 2004
3.0
4.3
Sep 22 2004
4.3
Version: 3.0
SpamAssassin, when configured correctly, is an excellent package. I run it on my FreeBSD 4.9 server, as a module activated by MIMEDefang. SpamAssassin plays beautifully with Razor and MIMEDefang and returns perfect hits on all incoming spam. Incoming viruses are discarded before reaching the mailbox and spam tagging is triggered at 5.0 points. The combination is *so* effective, it has tagged 100% (Yes, 100%) of all spam in the last three weeks. And 0% of all legitimate email. Impressive. I am considering discarding all tagged email, so confident am I becoming in this combination. In any case, Apple Mail picks up the X-Spam-Score header and deals with junk mail appropriately.
Constantin
Constantin
Sep 22 2004
3.0
4.5
Sep 22 2004
4.5
Version: 3.0
SpamAssassin is a godesend. Here is an intelligent way to tag spam at the server level, then decide what to do with it. Using procmail or whatever, spam-tagged mail can be deleted, for example. More importantly however, is that spam can be stopped at the server level, i.e. before tying up your internet connection, computer, etc. (particularly if you're using a dialup connection). The new approach of blacklisting spam according what web-sites it is pointing to is brilliant, as it makes it that much harder for internet scum to succeed overcoming spam filters.
Guest
Guest
Aug 5 2004
2.6.4
4.3
Aug 5 2004
4.3
Version: 2.6.4
pretty rubbish. spam assasin is installed on my webspace providers servers and seems to make no difference to the deluge of spam i receive daily [even when the subject lines and content are blatantly spam] - however it does seem to reject perfectly legitimate emails with annoying regularity
J-Mueller-MacUpdate
J-Mueller-MacUpdate
Dec 9 2003
2.6.1
4.3
Dec 9 2003
4.3
Version: 2.6.1
SpamAssassin is great, even if you don't choose to automatically delete emails tagged as spam, because it can add a subject prefix to the incoming email like "{spam}". Then you can set a rule in your email client application to auto-move those to a specific folder for review. I only wish that SpamAssassin would be built to support client-side configuration based on a single domain so that shared hosting companies could more easily allow their clients to configure it.
Free
3.7
0.0
App requirements: 
  • Intel 32
  • PPC 32
  • Mac OS X 10.2.8 or later
  • Perl
License: 
FreeAbsolutely Free

Downloaded & Installed 16,137 times

How would you rate SpamAssassin?
Similar apps
SpamSieve
Robust spam filter for major email clients.
Is this app is similar to SpamSieve? Vote to improve the quality of this list.
Vote results
1
Upvotes
1
Total score
0
Downvotes
Personal Antispam X6
Spam filter for Mail, Entourage, Outlook, and more.
Is this app is similar to Personal Antispam X6? Vote to improve the quality of this list.
Vote results
0
Upvotes
1
Total score
0
Downvotes
MailboxManager
Check POP3 mail on server before downloading.
Is this app is similar to MailboxManager? Vote to improve the quality of this list.
Vote results
0
Upvotes
1
Total score
0
Downvotes
SpamSweep
Bayesian spam filter with simple interface.
Is this app is similar to SpamSweep? Vote to improve the quality of this list.
Vote results
0
Upvotes
-1
Total score
-1
Downvotes