.TH couriergrey 8 "26 Jan 2012" "0.3.2" "couriergrey project" .SH NAME couriergrey \- greylisting filter for Courier MTA .SH SYNOPSIS .B couriergrey .I [OPTION] .SH DESCRIPTION .BR couriergrey is an implementation of the Courier MTA mail filter interface, that implements the greylist filtering method. .SH OPTIONS .TP .B \-v, \-\-version print software version .TP .B \-s, \-\-socket=PATH location of the filter domain socket .TP .B \-w, \-\-whitelist=PATH location of the whitelist file .TP .B \-e, \-\-expire=DAYS expire database entries older than this number of days .TP .B \-\-dumpwhitelist dump the content of the parsed whitelist (may be used to debug the whitelist file) .TP .B \-?, \-\-help show help message on available options .TP .B \-\-usage display brief usage message .SS Exit states .TP .B 0 couriergrey exited normally .TP .B 1 couriergrey had problems starting up .SH SEE ALSO .BR courierfilter (8) .SH AUTHOR Matthias Wimmer