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 Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Browse all files' to download the professional version 2.3.3 build 13335. Note to V2 users build 12265 and less: don't upgrade the module Thread::Queue to version 3.01 - this will cause ASSP to die -> revert to version 2.11/2.12 of Thread::Queue GUI->Server Setup->AutoUpdateASSP->"never upgrade these modules" or put 'Thread::Queue' in to the file 'files/noupgrade.txt' 2.2.1 build 12313 and higher fixes this problem V2 users should check the version of 'Regex::Optimizer' and 'Regex::List' in the 'lib' folder - please upgrade these modules to version Regex::Optimizer - 1.12 Regex::List - 1.06 available in the files section of this page
Description
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 Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Browse all files' to download the professional version 2.5.1 build 16177.
V1 development has been stopped at the end of 2014 (1.10.1 build 16060). Possibly there will be done some bugfixing in future.
Please upgrade to V2, which is and will be actively maintained.
V1 development has been stopped at the end of 2014 (1.10.1 build 16060). Possibly there will be done some bugfixing in future.
Please upgrade to V2, which is and will be actively maintained.
Features
- Multiple Weighted DNSBLs
- Multiple Weighted URIBLs
- Greylisting
- Weighted Regular Expression Filtering
- Bayesian
- Penalty Box
- SenderBase
- SSL/TLS
- SPF/SRS
- Attachment Blocking
- ClamAV and FileScan
- Blocking Reporting
- LDAP support
- Backscatter Detection
- V2 - recipient replacement / GUI user access rights management
- V2 - MIME charset conversion / DKIM check and signing
- V2 - multi DB support for all hashes / level based open plugin support
- V2 - transparent TCP proxy support
- V2 - Plugins: archive, full attachment check and replacement, OCR
- V2 - damping (steal spammers time)
- V2 - AUTH to relay host / POP3 collector
- V2 - configuration value and file synchronization
- V2 - Block Reports design could be customized
- V2 - Razor2 and DCC support via Plugin
- V2 - SNMP support (monitoring, configuring, controll-API)
- V2 - user group import (file or LDAP or command based)
- V2 - automatic crash analyzer Hidden Markov Model
- V2 - IPv6 socket support
- V2 - word stemming (several languages) for Bayesian analyzer
- V2 - Perl module autoupdate via PPM or CPAN
- V2 - Hidden Markov Model spam detection engine
- V2 - full unicode support
- V2 - DMARC support
- V2 - privat Whitelist (legacy, domain based, user based)
- V2 - privat IP and Domain lists (legacy, domain based, user based)
- V2 - CPU affinity settings
- V2 - web file commander
- V2 - graphical statistic output (SVG)
- V2 - native SSL support for target hosts
- V2 - client SSL-certificate validation
- V2 - privat SMIME signing
- V2 - corporate SMIME signing, using a single privat certificate
- V2 - content based executable attachment blocking
- V2 - content based compressed attachment blocking
- V2 - BATV check and signing
- V2 - Message-ID signing and check FBMTV
- V2 - remote support
