Anti-Spam SMTP Proxy Server2.6.7 - Download
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Publisher 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 Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.6.5 build 21218.
A linux(ubuntu 18.04 LTS) and a freeBSD 11.2 based ready to run OVA of ASSP V2 are also available for download.
NOTICE:
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.
- 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
- recipient replacement / GUI user access rights management
- MIME charset conversion / DKIM check and signing
- multi DB support for all hashes / level based open plugin support
- transparent TCP proxy support
- Plugins: archive, full attachment check and replacement, OCR
- damping (steal spammers time)
- AUTH to relay host / POP3 collector
- configuration value and file synchronization
- Block Reports design could be customized
- Razor2 and DCC support using Plugin
- SNMP support (monitoring, configuring, controll-API)
- user group import (file or LDAP or command based)
- automatic crash analyzer Hidden Markov Model
- IPv6 socket support
- word stemming (several languages) for Bayesian analyzer
- Perl module autoupdate via PPM or CPAN
- Hidden Markov Model spam detection engine
- full unicode support
- DMARC support
- privat Whitelist (legacy, domain based, user based)
- privat IP and Domain lists (legacy, domain based, user based)
- CPU affinity settings
- web file commander
- graphical statistic output (SVG)
- native SSL support for target hosts
- client SSL-certificate validation
- privat SMIME signing
- corporate SMIME signing, using a single privat certificate
- content based executable attachment blocking
- content based compressed attachment blocking
- BATV check and signing
- Message-ID signing and check FBMTV
- remote support
- Authenticated Received Chain (ARC) processing and signing
- RSS feeds for blocked emails using Plugin
- zero day virus detection
- VirusTotal API
About Anti-Spam SMTP Proxy Server
This Email Clients program is available in English. It was last updated on 29 September, 2026. Anti-Spam SMTP Proxy Server is compatible with the following operating systems: Linux, Mac, Windows.
The company that develops Anti-Spam SMTP Proxy Server is matttih. The latest version released by its developer is 2.6.7.
The download we have available for Anti-Spam SMTP Proxy Server has a file size of 2.5 MB. Just click the green Download button above to start the downloading process. The program is listed on our website since 2022-05-17 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded software with your antivirus. Your antivirus may detect the Anti-Spam SMTP Proxy Server as malware if the download link is broken.
How to install Anti-Spam SMTP Proxy Server on your Windows device:
- Click on the Download button on our website. This will start the download from the website of the developer.
- Once the Anti-Spam SMTP Proxy Server is downloaded click on it to start the setup process (assuming you are on a desktop computer).
- When the installation is finished you should be able to see and run the program.
Program Details
System requirements
Download information
Pricing
Version History
version 2.6.7
posted on 2022-05-17
version 1.8.5.8
posted on 2011-04-10
Several fixes and updates
Disclaimer
External Download
We do not host Anti-Spam SMTP Proxy Server on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by the software publisher and passed their terms and conditions to be listed there. We recommend caution when installing it.
The external download link for Anti-Spam SMTP Proxy Server is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
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