update : 23/12/2020


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Studied version : 3.3.2 Website : http://spamassassin.apache.org Distributed by : community Licence : License2 Technology : Perl Year of creation : 1997

SpamAssassin is an anti-spam solution that uses a wide range of different techniques. It was launched in 1997 and is led by the Apache Software Foundation, the creator of the famous Web Apache HTTP Server.

It is a very widespread tool among mail servers, including in the infrastructures of major suppliers. The technologies used include Bayesian analysis based on learned keywords, various blacklist systems (URIBL, DNSBL, etc.), content analysis (Razor and DCC) and a number of other message formatting criteria (image to text ratio, no text version, invalid originator, etc.).

SpamAssassin is available under the Apache License.

It is written in Perl.


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Ohloh users rating 4.25 (126 votes)
lines of code 88028 lines
(for the 12 last months)
Programming Languages Perl, 9 Other
Tags domainkeys filter perl email spam apache spamassassin apache-software-foundation security razor spf bayesian rbl antispam
Ohloh page https://www.openhub.net/p/spamassassin