Search Results for "uc/ip"

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 2.8.1 build 24261. A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are...

• Designed for Linux and Windows email system administrators, Scrollout F1 is an easy to use, already adjusted email firewall (gateway) offering free anti-spam and anti-virus protection aiming to secure existing email servers, old or new, such as Microsoft Exchange, Lotus Domino, Postfix, Exim, Sendmail, Qmail and others. • Built-in multilayer security levels make configuration effort equal to a car radio. • It combines simplicity with effective protection using powerful open source...

SMWrapper receives e-mails as standard sendmail program, filters them for X-PHP-Script in the Header and manages limits and informs the user and administrator when a limit is reached. After processing, the real sendmail program gets invoked.

Policy-daemon for the postfix MTA in perl. Scores RBLs, RHSBLs, HELO, Client IP and MAIL FROM argument and sums up a score on which you can reject the mail before DATA will be received. Results are cached. I.e: a weighted SMTP filter before DATA (queue).

Amber - a "grey list" for Qmail. Amber sits in the tcpserver chain, not accepting or rejecting mail but deferring connections from new IP addresses for some time (default five minutes) before it starts accepting mail from them.

Postfix Policy Server - e-mail administrators assert server-side SPAM/UCE filter control using SQL based white and black lists. Wildcards provide granular control of source user names, domains, and IP addresses on a per recipient basis.

With DynaStop, an Exim administrator or procmail admin/user can filter incoming mail on the basis of whether it is a dynamic IP address, thus reducing system load and resources in processing unwanted mail.

Spammer is an anti-spam mail filter for Sendmail and Postfix. It uses libmilter to communicate with the MTA. Spammer checks client IP addresses as well as all IP addresses in the "Received: " headers against a DNSBL database.

Protect your Server/Network against spammers. fw_spam queries a DNS-based Spam Database to detect spam listed ip-addresses. It is a userspace daemon, wich gets the packets from the iptables QUEUE target. You can configure the dns server, the firewall

A proxy smtp server with 1. Use of user-selectable DNSRBL lists to reject mail with customised rejection messages 2. Spam trap addresses to identify dictionary attacks and other spam sources 3. White listing and blacklisting by IP addresses and domain

Dougal is a Free (LGPL) mail-washing program for the POP3 protocol, written in Perl. It supports any operating system that supports Perl 5.x and TCP/IP (Perl IO::Socket module).

TLim (Transaction Limiter) TLim is a patch that spam-hardens sendmail against both inbound and outbound abuse. TLim counts the number of transactions an IP performs. Should the IP violate admin-defined limits, it is sanctioned via a null route.

Milter that add IP of spam servers to your own DNSBL.

The first public Romanian RBL, developed for www.apti.ro. There are two sides for this project: a) a blocking list at rbl.abuse.ro and b) a web interface for reporting spam and querying the system to get the "health" of a specific IP or domain.