--- opendd.c
+++ opendd.c
@@ -321,6 +321,7 @@
   void *value = NULL;
   option_type type;
   char *smtp = NULL, *user = NULL, *pwd = NULL;
+  char *port = "25", port_buf[20];
   char *mailfrom = NULL, *mailto = NULL;
   int retcode = 0;
   int dyndns_use_ssl = 0;
@@ -340,6 +341,23 @@
     break;
   }
   
+  value = get_option("smtpserverport", &type);
+  if (value != NULL) {
+    switch(type) {
+    case OPTION_STRING:
+      port = (char *)value;
+      break;
+    case OPTION_INT:
+      sprintf (port_buf, "%d", *(int *)value);
+      port = port_buf;
+      break;
+    default:
+      logmsg(LOG_ERR, "send_report() : \"smtpserverport\" is not a valid option !");
+      return 0;
+      break;
+    }
+  }
+  
   value = get_option("mailto", &type);
   if (value == NULL)
     return 0;
@@ -401,7 +419,7 @@
     set_socket_ssl(0);
   
   /* Send to your SMTP server */
-  retcode = sendmail(smtp, "25", mailfrom, mailto, user, pwd, PLAIN, additional_header, msg);
+  retcode = sendmail(smtp, port, mailfrom, mailto, user, pwd, PLAIN, additional_header, msg);
   
   /* Then reenable it */
   if (dyndns_use_ssl)