Search Results for "dns"

...Rspamd is designed to process hundreds of messages per second simultaneously, and provides a number of useful features including a comprehensive Lua API that allows access to messages processing in various aspects as well as asynchronous network API to access external resources, such as DNS, HTTP or even generic TCP/UDP services.

A library for validating emails against several RFC. This library aims to support RFCs 5321, 5322, 6530, 6531, 6532, and 1035. Composer is required for installation. Spoofchecking and DNSCheckValidation validation requires that your PHP system has the PHP Internationalization Libraries (also known as PHP Intl). PHP version upgrades will happen to accomodate to the pace of major frameworks. Minor versions bumps will go via minor versions of this library (i.e: PHP7.3 -> v3.x+1). Major versions...

• 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...

A lightweight and flexible Sendmail DNSBL & DNSWL mail filter (milter). dnsbl-milter consults a set of DNS black lists and DNS white lists to determine if messages from particular hosts should be accepted.

DKIMproxy is an SMTP-proxy that implements the DKIM and DomainKeys standards, to sign and verify email messages using digital signatures and DNS records. It can be used to add DKIM support to nearly any existing SMTP mail server.

DNSBL6d is a new RBL server that will be lightweight with IPv6 capiblities, MYSQL intergration, and other features. Your suggestions are welcomed.

PHP Verify Mail designed to partially prevent automatic/manual registrations based on entering invalid email like user@unexiste.nt which is regexp-valid but not correct. It checks DNS records to ensure domain & MX ok. Same as "phpvmail" project.

iXhash is a plugin for the popular spam filter SpamAssassin. It computes MD5 checksums of fragments of the body of an e-mail and compares them to those of know spam using DNS queries to a RBL-like name server. In effect this gives SpamAssassin access

Camel's Eye is a powerful POP3 email filter. It supports DNS-based Blackhole Lists (DNSBL/RBL), Razor, and rules that search header or body. Features include regular expressions, scoring, deletion on server, automatic whitelisting through an SMTP proxy.

A module for Drupal to check the syntax and the DNS of email-addresses. Suited for Windows and Linux.

ddnsbl - dynamic dns blacklist maker from sendmail and spamassassin logs.

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

CBMS is designed to relieve the burden on dnsbl operators by providing a management framework for their databases and data. CBMS will co-exist with existing management systems or work just as well if not better as the only management system.

This is a very simple and radical spam filter, combining dns-validation with the challenge/respond approach.

A Sender Policy Framework (SPF) Java API. Including DNS probe classes, SPF record evaluation and macro language expansion. This project sponsored by Mimecast Limited United Kingdom.

This software permits sendmail (via milter) and qmail (via a patch) to do per user configured dns blacklist checking. It will only allow or deny incoming mail, based on the configured set of lists which are checked. Tagging is not possible.