SQLgrey is a Postfix greylisting policy service with auto- whitelisting and an SQL database as storage backend.
Version: 1.6.8 / 1.7.6SQLgrey is a Postfix greylisting policy service with auto- whitelisting and an SQL database as storage backend.
Operating System: Linux
The project is based on postgrey, refining auto-whitelisting and storing whitelists and connection attempts in a database. Its goal is reducing the amount of spam reaching user mailboxes.
Here are some key features of "SQLgrey":
Â· SQLgrey can withstand a database crash (grey-listing is automatically switched off)
Â· 3 grey-listing algorithms to choose from
Â· Support for file-based IP and FQDN whitelists
Â· Support for fetching up-to-date whitelists from a repository
Â· Can mail the admin when the database is unavailable
Â· Auto-whitelists now understand SRS (SPF-aware mail forwarding)
Â· IPv6 support
Â· OPTIN / OPTOUT support
Â· Fine log controls
Â· Activity reports
Â· Net::Server::Multiplex (at least 0.87 is recommended, stability issues have been reported with earlier versions),
Â· SQLite, MySQL or PostgreSQL (PostgreSQL is recommended).
What's New in 1.6.8 Stable Release:
Â· Crash on syslog death bugfix
Â· Database handling fix (deactivated InactiveDestroy unless needed)
Â· Reopen database connection on SIGUSR1
What's New in 1.7.6 Development Release:
Â· Database handling fix (deactivated InactiveDestroy unless needed, should help solve memory leaks).
Â· Reopen database connection on SIGUSR1.