diff -ruN tpop3d-cvs/auth_flatfile.c tpop3d/auth_flatfile.c
--- tpop3d-cvs/auth_flatfile.c	2003-02-18 00:18:32.000000000 +0100
+++ tpop3d/auth_flatfile.c	2003-07-13 15:05:57.000000000 +0200
@@ -88,7 +88,7 @@
     FILE *fp = NULL;
     char *filename = NULL;
     struct sverr err;
-    static char *buf, *pwhash;
+    static char *buf, *pwhash = NULL;
     static size_t buflen;
     size_t i, linenum;
     int c;
@@ -109,7 +109,7 @@
     
     linenum = 0;
     while (1) {
-        char *user, *end;
+        char *user, *hash, *end;
         
         i = 0;
         while ((c = getc(fp)) != EOF) {
@@ -134,21 +134,22 @@
 
         /* OK, have a line. */
         user = buf;
-        pwhash = strchr(buf, ':');
-        if (!pwhash) {
+        hash = strchr(buf, ':');
+        if (!hash) {
             log_print(LOG_WARNING, _("read_user_passwd: flat file %s: line %u: bad format (missing :)"), filename, (unsigned)linenum);
             continue;
         }
         
-        *pwhash++ = 0;
+        *hash++ = 0;
 
         /* Check username. */
         if (strcmp(user, local_part) != 0)
             continue;
 
-        if ((end = strchr(pwhash, ':')))
+        if ((end = strchr(hash, ':')))
             *end = 0;
 
+		  pwhash = hash;
         break;
     }