diff --git a/social/email/61-email.html b/social/email/61-email.html
index 0d684a43..52e4c38d 100644
--- a/social/email/61-email.html
+++ b/social/email/61-email.html
@@ -49,6 +49,10 @@
         <input type="password" id="node-input-password">
     </div>
     <br/>
+    <div class="form-row">
+        <label for="node-input-useTLS"><i class="fa fa-lock"></i> <span data-i18n="email.label.useTLS"></label>
+        <input type="checkbox" id="node-input-tls" style="display:inline-block; width:20px; vertical-align:baseline;">
+    </div>
     <div class="form-row">
         <label for="node-input-dname"><i class="fa fa-tag"></i> <span data-i18n="node-red:common.label.name"></span></label>
         <input type="text" id="node-input-dname" data-i18n="[placeholder]node-red:common.label.name">
@@ -69,6 +73,7 @@
     <p>Alternatively you may provide <code>msg.attachments</code> which should contain an array of one or
     more attachments in <a href="https://www.npmjs.com/package/nodemailer#attachments" target="_new">nodemailer</a> format.</p>
     <p>If required by your recipient you may also pass in a <code>msg.envelope</code> object, typically containing extra from and to properties.</p>
+    <p>If you have own signed certificates, Nodemailer can complain about that and refuse sending the message. In this case you can try switching off TLS.</p>
     <p>Note: uses SMTP with SSL to port 465.</p>
 </script>
 
@@ -81,6 +86,7 @@
             server: {value:"smtp.gmail.com",required:true},
             port: {value:"465",required:true},
             secure: {value: true},
+            tls: {value: true},
             name: {value:""},
             dname: {value:""}
         },
diff --git a/social/email/61-email.js b/social/email/61-email.js
index 92a7cdea..e3e6a0fa 100644
--- a/social/email/61-email.js
+++ b/social/email/61-email.js
@@ -30,6 +30,7 @@ module.exports = function(RED) {
         this.outserver = n.server;
         this.outport = n.port;
         this.secure = n.secure;
+        this.tls = true;
         var flag = false;
         if (this.credentials && this.credentials.hasOwnProperty("userid")) {
             this.userid = this.credentials.userid;
@@ -50,12 +51,16 @@ module.exports = function(RED) {
         if (flag) {
             RED.nodes.addCredentials(n.id,{userid:this.userid, password:this.password, global:true});
         }
+        if (n.tls === false){
+            this.tls = false;
+        }
         var node = this;
 
         var smtpOptions = {
             host: node.outserver,
             port: node.outport,
-            secure: node.secure
+            secure: node.secure,
+            tls: {rejectUnauthorized: node.tls}
         }
 
         if (this.userid && this.password) {
diff --git a/social/email/locales/en-US/61-email.json b/social/email/locales/en-US/61-email.json
index fbe47766..d3f05375 100644
--- a/social/email/locales/en-US/61-email.json
+++ b/social/email/locales/en-US/61-email.json
@@ -13,6 +13,7 @@
             "folder": "Folder",
             "protocol": "Protocol",
             "useSSL": "Use SSL?",
+            "useTLS": "Use TLS?",
             "disposition": "Disposition",
             "none": "None",
             "read": "Mark Read",
diff --git a/social/twitter/27-twitter.js b/social/twitter/27-twitter.js
index 16418a53..58cb4a1f 100644
--- a/social/twitter/27-twitter.js
+++ b/social/twitter/27-twitter.js
@@ -374,6 +374,14 @@ module.exports = function(RED) {
                     var res = result.body;
                     if (res.errors) {
                         node.error(res.errors[0].message);
+                        if (res.errors[0].code === 44) {
+                            // 'since_id parameter is invalid' - reset it for next time
+                            delete opts.since_id;
+                        }
+                        clearInterval(pollId);
+                        node.timeout_ids.push(setTimeout(function() {
+                            node.poll(interval,url,opts);
+                        },interval))
                         return;
                     }
                     if (res.length > 0) {
@@ -438,7 +446,11 @@ module.exports = function(RED) {
             node.debug("Twitter DM Poll, rateLimitRemaining="+result.rateLimitRemaining+" rateLimitTimeout="+Math.floor(result.rateLimitTimeout/1000)+"s");
             var res = result.body;
             if (res.errors) {
-                throw new Error(res.errors[0].message);
+                node.error(res.errors[0].message);
+                node.timeout_ids.push(setTimeout(function() {
+                    node.pollDirectMessages();
+                },interval))
+                return;
             }
             var since = "0";
             var messages = res.events.filter(tweet => tweet.type === 'message_create' && tweet.id > since);
@@ -459,6 +471,10 @@ module.exports = function(RED) {
                     var res = result.body;
                     if (res.errors) {
                         node.error(res.errors[0].message);
+                        clearInterval(pollId);
+                        node.timeout_ids.push(setTimeout(function() {
+                            node.pollDirectMessages();
+                        },interval))
                         return;
                     }
                     var messages = res.events.filter(tweet => tweet.type === 'message_create' && tweet.id > since);
diff --git a/social/twitter/package.json b/social/twitter/package.json
index 99feedfe..2c643ac0 100644
--- a/social/twitter/package.json
+++ b/social/twitter/package.json
@@ -1,6 +1,6 @@
 {
     "name": "node-red-node-twitter",
-    "version": "1.1.0",
+    "version": "1.1.2",
     "description": "A Node-RED node to talk to Twitter",
     "dependencies": {
         "twitter-ng": "0.6.2",