Index: trunk/src/sh_mail.c
===================================================================
--- trunk/src/sh_mail.c	(revision 237)
+++ trunk/src/sh_mail.c	(revision 238)
@@ -1264,5 +1264,10 @@
   my_tm   = localtime(&my_time);
 #endif
+
+#if defined(HAVE_STRFTIME_Z)
+  (void)    strftime(my_tbuf, 127, _("%a, %d %b %Y %H:%M:%S %z"), my_tm);
+#else
   (void)    strftime(my_tbuf, 127, _("%a, %d %b %Y %H:%M:%S %Z"), my_tm);
+#endif
 
   TPT(( 0, FIL__, __LINE__,  _("msg=<From: <%s>%c%cTo: <%s>%c%cDate: %s>%c%c"),