A couple small corrections with msgbox. Added a message that server was added. If it failed, exith with error code 2.

tojam

@@ -62,12 +62,12 @@ add_server() {
             fi
         done
         if [[ "${valid}" == "false" ]]; then
-            dialog --backtitle "Tojam" \
-                --msgbox "${errorMessage}" -1 -1
+            dialog --msgbox "${errorMessage}" -1 -1
             errorMessage=""
         fi
     done
-    echo "[${serverInfo[0]}]=\"${serverInfo[1]}:${serverInfo[2]}\"" >> "${config}/servers.conf"
+    echo "[${serverInfo[0]}]=\"${serverInfo[1]}:${serverInfo[2]}\"" >> "${config}/servers.conf" || exit 2
+    dialog --msgbox "Server \"${serverInfo[0]}\" added. Please relaunch ${0##*/} to use the updated server list." -1 -1
     exit 0
 }