fixing url in footer

src/topics/follow.js

@@ -259,6 +259,7 @@ module.exports = function (Topics) {
 								subject: '[' + (meta.config.title || 'NodeBB') + '] ' + title,
 								intro: '[[notifications:user_posted_to, ' + postData.user.username + ', ' + titleEscaped + ']]',
 								postBody: postData.content.replace(/"\/\//g, '"https://'),
+								userslug: data.userData.userslug,
 								topicSlug: postData.topic.slug,
 								showUnsubscribe: true,
 							}, next);

src/views/emails/partials/footer.tpl

@@ -4,7 +4,7 @@
 					<td style="padding: 40px 10px;width: 100%;font-size: 12px; font-family: sans-serif; line-height:18px; text-align: center; color: #888888;">
 						<br><br>
 						<!-- IF showUnsubscribe -->
-						[[email:notif.post.unsub.info]] <a href="{base_url}/user/{userslug}/settings">[[email:unsub.cta]]</a>.
+						[[email:notif.post.unsub.info]] <a href="{url}/user/{userslug}/settings">[[email:unsub.cta]]</a>.
 						<!-- ENDIF showUnsubscribe -->
 						<br><br>
 					</td>