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-rw-r--r--configure.in7
1 files changed, 7 insertions, 0 deletions
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