From LQWiki

greylistd is a greylisting daemon tailored for the exim mail transfer agent. It is a Python script.

The Ubuntu version (and maybe other Debian derivatives) comes configured for exim4, but this daemon can be used with other mail transfer agents.

Provided by

Originally written by Tor Slettnes, for Debian GNU/Linux.

License

GPL 2+

External Links

man page

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