Product Information
What is Anti-spam smtp proxy server?
The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open-source platform-independent SMTP proxy server that implements automatic whitelisting, self-learning Hidden Markov Models and/or Bayesian filtering, greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, backscatter protection, virus scanning, attachment blocking, Senderbase, and multiple other filtering methods.
Features:
Multiple weighted DNSBLs
Multiple weighted URIBLs
Greylisting
Weighted regular expression filtering
Bayesian filtering
Penalty box
Senderbase integration
SSL/TLS support
SPF/SRS verification
Attachment blocking
ClamAV and FileScan integration
Block reporting
LDAP support
Backscatter detection
Recipient replacement/GUI user access management
MIME charset conversion/DKIM checking and signing
Multi-database support for all hashes/level-based open plugin support
Transparent TCP proxy support
Plugins: archiving, full attachment inspection and replacement, OCR
Damping (wasting spammers' time)
Authentication for relay hosts/POP3 collectors
Configuration value and file synchronization
Customizable block report design
Razor2 and DCC support via plugins
SNMP support (monitoring, configuration, control API)
User group import (file-based, LDAP, or command-based)
Automatic crash analyzer Hidden Markov Model
IPv6 socket support
Stemming for Bayesian analyzer (multiple languages)
Automatic Perl module updates via PPM or CPAN
Hidden Markov Model spam detection engine
Full Unicode support
DMARC support
Private whitelists (legacy, domain-based, user-based)
Private IP and domain lists (legacy, domain-based, user-based)
CPU affinity settings
Network file commander
Graphical statistics output (SVG)
Native SSL support for target hosts
Client SSL certificate verification
Private S/MIME signing
Enterprise S/MIME signing with a single private certificate
Content-based executable attachment blocking
Content-based compressed attachment blocking
BATV checking and signing
Message ID signing and checking (FBMTV)
Remote support
Authenticated Received Chain (ARC) processing and signing
RSS feed for blocked emails using plugins
Zero-day virus detection
VirusTotal API integration
How to use Anti-spam smtp proxy server?
Anti-Spam SMTP Proxy Server is an open-source, platform-independent SMTP proxy server designed to effectively block spam using various filtering methods such as automatic whitelisting, self-learning models, greylisting, virus scanning, and attachment blocking.
Core Functions of Anti-spam smtp proxy server
Privacy-focused, lightweight, blocks trackers, no registration, no ads, no tracking
Usage Scenarios of Anti-spam smtp proxy server
- Blocking spam using greylisting, Bayesian, DNSBL, and other filtering techniques.
- Scanning and blocking emails containing viruses or malicious attachments.
- Detecting and preventing email backscatter.
- Enhancing enterprise email security with LDAP support and user permission management.
- Monitoring email traffic and spam detection effectiveness.
- Customizing spam blocking reports and integrating other spam detection systems.
Common Questions about Anti-spam smtp proxy server
What does Anti-Spam SMTP Proxy Server do?
How do I use Anti-Spam SMTP Proxy Server?
What are the core features of Anti-Spam SMTP Proxy Server?
What are the application scenarios of Anti-Spam SMTP Proxy Server?





















