Add option on list to disable "List-Unsubscribe" header

lib/models/lists.js

@@ -19,7 +19,7 @@ const UnsubscriptionMode = {
 
 module.exports.UnsubscriptionMode = UnsubscriptionMode;
 
-let allowedKeys = ['description', 'default_form', 'public_subscribe', 'unsubscription_mode'];
+let allowedKeys = ['description', 'default_form', 'public_subscribe', 'unsubscription_mode', 'listunsubscribe_disabled'];
 
 module.exports.list = (start, limit, callback) => {
     tableHelpers.list('lists', ['*'], 'name', null, start, limit, callback);
@@ -158,6 +158,7 @@ module.exports.update = (id, updates, callback) => {
     // The update can be only partial when executed from forms/:list
     if (!data.customFormChangeOnly) {
         data.publicSubscribe = data.publicSubscribe ? 1 : 0;
+        data.listunsubscribeDisabled = data.listunsubscribeDisabled ? 1 : 0;
         data.unsubscriptionMode = Number(data.unsubscriptionMode);
 
         let name = (data.name || '').toString().trim();

meta.json

@@ -1,3 +1,3 @@
 {
-    "schemaVersion": 29
+    "schemaVersion": 30
 }

services/sender.js

@@ -379,6 +379,11 @@ function formatMessage(message, callback) {
                                     wordwrap: 130
                                 });
 
+                                let listUnsubscribe = null;
+                                if (!list.listunsubscribeDisabled) {
+                                    listUnsubscribe = url.resolve(configItems.serviceUrl, '/subscription/' + list.cid + '/unsubscribe/' + message.subscription.cid);
+                                }
+
                                 return callback(null, {
                                     from: {
                                         name: campaign.from,
@@ -419,7 +424,7 @@ function formatMessage(message, callback) {
                                         }
                                     },
                                     list: {
-                                        unsubscribe: url.resolve(configItems.serviceUrl, '/subscription/' + list.cid + '/unsubscribe/' + message.subscription.cid)
+                                        unsubscribe: listUnsubscribe
                                     },
                                     subject: tools.formatMessage(configItems.serviceUrl, campaign, list, message.subscription, campaign.subject),
                                     html: renderedHtml,

setup/sql/upgrade-00030.sql

@@ -0,0 +1,17 @@
+# Header section
+# Define incrementing schema version number
+SET @schema_version = '30';
+
+# Upgrade script section
+#### INSERT YOUR UPGRADE SCRIPT BELOW THIS LINE ######
+
+ALTER TABLE `lists` ADD COLUMN `listunsubscribe_disabled` tinyint(4) unsigned DEFAULT 0 NOT NULL;
+
+#### INSERT YOUR UPGRADE SCRIPT ABOVE THIS LINE ######
+
+# Footer section. Updates schema version in settings
+LOCK TABLES `settings` WRITE;
+/*!40000 ALTER TABLE `settings` DISABLE KEYS */;
+INSERT INTO `settings` (`key`, `value`) VALUES('db_schema_version', @schema_version) ON DUPLICATE KEY UPDATE `value`=@schema_version;
+/*!40000 ALTER TABLE `settings` ENABLE KEYS */;
+UNLOCK TABLES;

views/lists/edit.hbs

@@ -80,6 +80,17 @@
         </div>
     </div>
 
+    <div class="form-group">
+        <label for="default_form" class="col-sm-2 control-label">{{#translate}}Unsubscribe Header{{/translate}}</label>
+        <div class="col-sm-10">
+            <div class="checkbox">
+                <label>
+                    <input type="checkbox" name="listunsubscribe_disabled" value="1" {{#if listunsubscribeDisabled}} checked {{/if}}> {{#translate}}Do not send List-Unsubscribe headers{{/translate}}
+                </label>
+            </div>
+        </div>
+    </div>
+
     <hr />
 
     <div class="form-group">