Adding No Auth support to social email out node (#277)

* Let email out node connect to SMTP without authentication

Add the possibility to connect to local SMTP without authentication.

* Adapt test to connect to SMTP without credentials

Adapt test to connect to SMTP without credentials

* Add coverage for social email out node

Add coverage for social email out node

* Add more coverage to email out node

Add more coverage to email out node

social/email/61-email.js

@@ -37,8 +37,6 @@ module.exports = function(RED) {
             if (globalkeys) {
                 this.userid = globalkeys.user;
                 flag = true;
-            } else {
-                this.error(RED._("email.errors.nouserid"));
             }
         }
         if (this.credentials && this.credentials.hasOwnProperty("password")) {
@@ -47,8 +45,6 @@ module.exports = function(RED) {
             if (globalkeys) {
                 this.password = globalkeys.pass;
                 flag = true;
-            } else {
-                this.error(RED._("email.errors.nopassword"));
             }
         }
         if (flag) {
@@ -59,12 +55,15 @@ module.exports = function(RED) {
         var smtpTransport = nodemailer.createTransport({
             host: node.outserver,
             port: node.outport,
-            secure: node.secure,
-            auth: {
+            secure: node.secure
+        });
+
+        if(this.userid && this.password) {
+            smtpTransport.auth = {
                 user: node.userid,
                 pass: node.password
-            }
-        });
+            };
+        }
 
         this.on("input", function(msg) {
             if (msg.hasOwnProperty("payload")) {
@@ -113,7 +112,7 @@ module.exports = function(RED) {
                         }
                     });
                 }
-                else { node.warn(RED._("email.errors.nocredentials")); }
+                else { node.warn(RED._("email.errors.nosmtptransport")); }
             }
             else { node.warn(RED._("email.errors.nopayload")); }
         });

social/email/locales/en-US/61-email.json

@@ -38,6 +38,7 @@
             "nouserid": "No e-mail userid set",
             "nopassword": "No e-mail password set",
             "nocredentials": "No Email credentials found. See info panel.",
+            "nosmtptransport": "No SMTP transport. See info panel.",
             "nopayload": "No payload to send",            
             "fetchfail": "Failed to fetch folder: __folder__",
             "messageerror": "Fetch message error: __error__"

social/email/package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-red-node-email",
-  "version": "0.1.17",
+  "version": "0.1.18",
   "description": "Node-RED nodes to send and receive simple emails",
   "dependencies": {
     "nodemailer": "^1.11.0",