From 08d0752fde2c2c4aaedbe6dec9dc9682bb61df58 Mon Sep 17 00:00:00 2001
From: Richard M. Stallman
Date: Sat, 18 Jan 1992 22:46:00 +0000
Subject: *** empty log message ***

---
 lib-src/movemail.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'lib-src')

diff --git a/lib-src/movemail.c b/lib-src/movemail.c
index 608eb7ecc0e..9b216068357 100644
--- a/lib-src/movemail.c
+++ b/lib-src/movemail.c
@@ -18,6 +18,18 @@ You should have received a copy of the GNU General Public License
 along with GNU Emacs; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
+/* Important notice: defining MAIL_USE_FLOCK *will cause loss of mail*
+   if you do it on a system that does not normally use flock as its way of
+   interlocking access to inbox files.  The setting of MAIL_USE_FLOCK
+   *must agree* with the system's own conventions.
+   It is not a choice that is up to you.
+
+   So, if your system uses lock files rather than flock, then the only way
+   you can get proper operation is to enable movemail to write lockfiles there.
+   This means you must either give that directory access modes
+   that permit everyone to write lockfiles in it, or you must make movemail
+   a setuid or setgid program.  */
+
 /*
  * Modified January, 1986 by Michael R. Gretzinger (Project Athena)
  *
-- 
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