--- a/src/dnsbl.cpp	Tue Sep 26 14:17:00 2006 -0700
+++ b/src/dnsbl.cpp	Tue Sep 26 15:09:46 2006 -0700
@@ -149,8 +149,14 @@
 int incr_rcpt_count(char *user) {
 	pthread_mutex_lock(&rate_mutex);
 		rcpt_rates::iterator i = rcpt_counts.find(user);
-		int c = (i == rcpt_counts.end()) ? 0 : (*i).second;
-		rcpt_counts[user] = c++;
+		int c = 1;
+		if (i == rcpt_counts.end()) {
+			user = strdup(user);
+			rcpt_counts[user] = c;
+		}
+		else {
+			c = (*i).second++;
+		}
 	pthread_mutex_unlock(&rate_mutex);
 	return c;
 }
@@ -1173,6 +1179,10 @@
 			// three minutes thru each loop, 20 loops per hour
 			// clear the recipient counts
 			pthread_mutex_lock(&rate_mutex);
+				for (rcpt_rates::iterator i=rcpt_counts.begin(); i!=rcpt_counts.end(); i++) {
+					char *x = (*i).first;
+					free(x);
+				}
 				rcpt_counts.clear();
 			pthread_mutex_unlock(&rate_mutex);
 			loop = 0;