Search Results for "databases"

...The features that make gross stand out from other greylisters are: - it's blazingly fast - it's amazingly resource efficient - it can be configured to query DNSBL databases, and enforce greylisting only for hosts that are found on those databases - it can block hosts that match multiple DNSBL's - it can be replicated and run parallel on two servers - It supports Sun Java System Messaging Server, Postfix, Sendmail and Exim.

Open source DKIM library, MTA filter implementation and associated tools.

Valvula is a OpenSource high performance mail policy daemon for Postfix, written in ansi C, that provides out of the box support for sender login mismatch, mail quotas, per user and per domain blacklists and whitelists and much more. It is system administrator friendly by providing many automatic features (like automatically detecting Postfix MySQL databases to be able to detect local domains and local accounts to make better decisions).

Rumble is a mail server suite for SMTP (ESMTPSA), HTTP, POP3 and IMAP4v1 with an extensive C/C++ and Lua API for scripting. It comes with support for SSL/TLS, SQLite and MySQL and has a web-based administration and webmail feature. Additional included modules feature greylisting, DNS blacklisting, SpamAssassin support and dynamic performance scaling as well as a multithreaded structure that allows for clustering of multiple servers for one or all domains, and with the ease of the Lua API,...

qrcptcheck searches user databases to check if a supplied email address will be delivered to a valid recipient, with the goal to avoid mail bounces rejecting mail at SMTP level.