diff -urBbw qmail-1.03.orig/qmail-smtpd.c qmail-1.03/qmail-smtpd.c
--- qmail-1.03.orig/qmail-smtpd.c	2003-11-30 00:51:16.000000000 -0800
+++ qmail-1.03/qmail-smtpd.c	2003-11-30 00:50:54.000000000 -0800
@@ -397,8 +397,9 @@
   int j = 0;
   int x = 0;
   int negate = 0;
-  stralloc bmb = {0};
-  stralloc curregex = {0};
+  static stralloc bmb = {0};
+  static stralloc curregex = {0};
+  bmb.len = curregex.len = 0;
 
   if (which == BMCHECK_BMF) {
     if (!stralloc_copy(&bmb,&bmf)) die_nomem();