From 029c3999de11af8027b464c1f5fbbf9cb4a4b04d Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Thu, 8 Mar 2001 01:48:39 +0000
Subject: Notes about safe MDAs.

svn path=/trunk/; revision=3225
---
 configure.in | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index db7b899f..c1cbe481 100644
--- a/configure.in
+++ b/configure.in
@@ -212,6 +212,13 @@ AC_DEFINE_UNQUOTED(PID_DIR, "$dir")
 # it won't try delivering through local SMTP and cause a mail loop.
 # Sendmail without the -t option to use the message headers will work too,
 # not just for sendmail itself but for workalikes like exim.
+#
+# Note: it would be a very bad idea to use any MDA that doesn't return
+# a refuse-to-deliver status on disk- or process-table-full
+# conditions; mail could get lost that way.  Both procmail and
+# sendmail (and all of the MDAs like exim that might be lurking under
+# a sendmail alias) do the right thing in this circumstance.
+#
 AC_PATH_PROG(procmail, procmail, "", $PATH:/usr/sbin)
 if test "$procmail"
 then
-- 
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