diff --git a/ghost/admin/app/components/gh-members-lab-setting.js b/ghost/admin/app/components/gh-members-lab-setting.js
index 454d3971a6..abe47adee6 100644
--- a/ghost/admin/app/components/gh-members-lab-setting.js
+++ b/ghost/admin/app/components/gh-members-lab-setting.js
@@ -23,6 +23,7 @@ export default Component.extend({
         subscriptionSettings.stripeConfig = stripeProcessor.config;
         subscriptionSettings.allowSelfSignup = !!subscriptionSettings.allowSelfSignup;
         subscriptionSettings.fromAddress = subscriptionSettings.fromAddress || '';
+        subscriptionSettings.mailgunApiKey = subscriptionSettings.mailgunApiKey || '';
 
         return subscriptionSettings;
     }),
@@ -65,6 +66,9 @@ export default Component.extend({
             if (key === 'fromAddress') {
                 subscriptionSettings.fromAddress = event.target.value;
             }
+            if (key === 'mailgunApiKey') {
+                subscriptionSettings.mailgunApiKey = event.target.value;
+            }
             this.setMembersSubscriptionSettings(subscriptionSettings);
         }
     },
diff --git a/ghost/admin/app/templates/components/gh-members-lab-setting.hbs b/ghost/admin/app/templates/components/gh-members-lab-setting.hbs
index b6a2d42199..a0459fd8c6 100644
--- a/ghost/admin/app/templates/components/gh-members-lab-setting.hbs
+++ b/ghost/admin/app/templates/components/gh-members-lab-setting.hbs
@@ -185,6 +185,18 @@
             </div>
             <div class="f8 fw4 midgrey mt1">Your members will receive system emails from this address</div>
             {{/gh-form-group}}
+            {{#gh-form-group}}
+                <label class="fw6 f8">Mailgun API key</label>
+                {{gh-text-input
+                    type="password"
+                    value=(readonly subscriptionSettings.mailgunApiKey)
+                    input=(action "setSubscriptionSettings" "mailgunApiKey")
+                    class="mt1 password"
+                }}
+                <a href="https://help.mailgun.com/hc/en-us/articles/203380100-Where-Can-I-Find-My-API-Key-and-SMTP-Credentials-" target="_blank" class="mt1 fw4 f8">
+                    Find your Mailgun API keys here &raquo;
+                </a>
+            {{/gh-form-group}}
         </div>
         {{/liquid-if}}
     </section>