diff --git a/.travis.yml b/.travis.yml
index 268bacc2..07d17f5b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -63,5 +63,7 @@ script:
 
 notifications:
   email:
+    recipients:
+      - luc@tech-hunters.com
     on_success: always
     on_failure: always
diff --git a/esp3d/configuration.h b/esp3d/configuration.h
index fdff3564..d6083a17 100644
--- a/esp3d/configuration.h
+++ b/esp3d/configuration.h
@@ -40,7 +40,7 @@
 //COMMUNICATION_PROTOCOL: to communicate with printer or TFT
 //RAW_SERIAL standard serial
 //MKS_SERIAL Mks protocol
-#define COMMUNICATION_PROTOCOL MKS_SERIAL
+#define COMMUNICATION_PROTOCOL RAW_SERIAL
 
 //AUTHENTICATION_FEATURE: protect pages by login password
 //#define AUTHENTICATION_FEATURE
diff --git a/esp3d/esp3d.ino.generic.bin b/esp3d/esp3d.ino.generic.bin
deleted file mode 100644
index be8d73cc..00000000
Binary files a/esp3d/esp3d.ino.generic.bin and /dev/null differ
diff --git a/esp3d/src/include/version.h b/esp3d/src/include/version.h
index 4da5a463..96e31e71 100644
--- a/esp3d/src/include/version.h
+++ b/esp3d/src/include/version.h
@@ -22,7 +22,7 @@
 #define _VERSION_ESP3D_H
 
 //version and sources location
-#define FW_VERSION "3.0.0.a76"
+#define FW_VERSION "3.0.0.a77"
 #define REPOSITORY "https://github.com/luc-github/ESP3D/tree/3.0"
 
 #endif //_VERSION_ESP3D_H
diff --git a/esp3d/src/modules/network/netconfig.cpp b/esp3d/src/modules/network/netconfig.cpp
index a059abb8..33a608dd 100644
--- a/esp3d/src/modules/network/netconfig.cpp
+++ b/esp3d/src/modules/network/netconfig.cpp
@@ -113,7 +113,7 @@ bool NetConfig::isHostnameValid (const char * hostname)
  */
 IPAddress  NetConfig::localIPAddress()
 {
-    IPAddress current_ip = 0;
+    IPAddress current_ip = IPAddress(0,0,0,0);
 #if defined( WIFI_FEATURE)
     if (WiFi.getMode() == WIFI_STA) {
         current_ip = WiFi.localIP();
diff --git a/esp3d/src/modules/network/netservices.cpp b/esp3d/src/modules/network/netservices.cpp
index d3072bab..d9bc9a15 100644
--- a/esp3d/src/modules/network/netservices.cpp
+++ b/esp3d/src/modules/network/netservices.cpp
@@ -265,9 +265,7 @@ bool NetServices::begin()
     if(WiFi.getMode() != WIFI_AP) {
         // Add service to MDNS-SD
         log_esp3d("Add mdns service http / tcp port %d", HTTP_Server::port());
-        if (!MDNS.addService("http", "tcp", HTTP_Server::port())) {
-            log_esp3d("failed");
-        }
+        MDNS.addService("http", "tcp", HTTP_Server::port());
         //Add TXT records
         MDNS.addServiceTxt("http", "tcp", "ESP3D", FW_VERSION);
     }
diff --git a/esp3d/src/modules/notifications/notifications_service.cpp b/esp3d/src/modules/notifications/notifications_service.cpp
index d07096fb..57a6b99a 100644
--- a/esp3d/src/modules/notifications/notifications_service.cpp
+++ b/esp3d/src/modules/notifications/notifications_service.cpp
@@ -56,6 +56,9 @@ typedef WiFiClientSecure TSecureClient;
 typedef WiFiClientSecure TSecureClient;
 #include <WiFi.h>
 #include <HTTPClient.h>
+extern "C" {
+#include "libb64/cdecode.h"
+}
 #endif //ARDUINO_ARCH_ESP32
 
 #include <base64.h>
@@ -472,15 +475,10 @@ bool NotificationsService::getEmailFromSettings()
 bool NotificationsService::decode64(const char* encodedURL,  char *decodedURL)
 {
     size_t out_len = 0;
-#if defined( ARDUINO_ARCH_ESP8266)
     out_len =  base64_decode_chars(encodedURL, strlen(encodedURL), decodedURL);
-#endif //ARDUINO_ARCH_ESP8266
-#if defined( ARDUINO_ARCH_ESP32)
-    strcpy(base64_decode(encodedURL, strlen(encodedURL),&out_len);
-#endif //ARDUINO_ARCH_ESP32
-           log_esp3d("URLE: %s", encodedURL);
-           log_esp3d("URLD: %s", decodedURL);
-           return (out_len>0);
+    log_esp3d("URLE: %s", encodedURL);
+    log_esp3d("URLD: %s", decodedURL);
+    return (out_len>0);
 }
 
 bool NotificationsService::GET(const char * URL64)