Fix selecting URLs for sending to redirector.

src/plugins/surbl.c

@@ -1092,6 +1092,7 @@ surbl_tree_url_callback (gpointer key, gpointer value, void *data)
 	rspamd_regexp_t *re;
 	gint idx = 0, state = 0;
 	ac_trie_pat_t *pat;
+	gboolean found = FALSE;
 
 	task = param->task;
 	debug_task ("check url %s", struri (url));
@@ -1112,8 +1113,19 @@ surbl_tree_url_callback (gpointer key, gpointer value, void *data)
 				re = g_hash_table_lookup (
 						surbl_module_ctx->redirector_hosts,
 						pat->ptr);
-				if (re == NULL || rspamd_regexp_search (re, url->string, 0,
+				if (re == NULL) {
+					/* Perform exact match */
+					if (pat->len == url->hostlen && memcmp (pat->ptr,
+							url->host, pat->len) == 0) {
+						found = TRUE;
+					}
+				}
+				else if (rspamd_regexp_search (re, url->string, 0,
 						NULL, NULL, TRUE)) {
+					found = TRUE;
+				}
+
+				if (found) {
 					if (surbl_module_ctx->redirector_symbol != NULL) {
 						rspamd_task_insert_result (param->task,
 								surbl_module_ctx->redirector_symbol,