Courier and DCC

Earl Killian
Wed Apr 10 03:15:18 UTC 2002

Vernon Schryver writes:
 > Date: Tue, 9 Apr 2002 19:15:21 -0600 (MDT)
 > From: Vernon Schryver <>
 > Is there some way the MTA could call a persistent process?
 > All of this fork()ing and exec()ing makes me wonder about performacne.

Yes, that facility appears to exist.  See
Basically courier will hand incoming messages filter processes by
sending a filename over a Unix socket.


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