Sync release notes of iRedMail Easy platform.

en_US/iredmail-easy/3-iredmail-easy.release.notes.md

@@ -5,7 +5,7 @@
 ## Version: 2019040201 (Apr 02, 2019)
 
 * Roundcube
-    - Upgrade to 1.3.9.
+    - Upgrade to 1.3.9 ([Detailed ChangeLog](https://github.com/roundcube/roundcubemail/releases/tag/1.3.9).)
 
 * Dovecot:
     - Able to track user last (POP3/IMAP) login for OpenLDAP and MariaDB
@@ -14,6 +14,9 @@
 
           Note: Dovecot doesn't support this with PostgreSQL yet.
 
+          Here's detailed tutorial to show you what changes are applied to Dovecot:
+          [Track user last login time](https://docs.iredmail.org/track.user.last.login.html).
+
 * Improvements of iRedMail Easy platform:
     + Send `iRedMail.tips` file to postmaster after deployment.
 

html/iredmail-easy.release.notes.html

@@ -35,7 +35,7 @@
 <li>
 <p>Roundcube</p>
 <ul>
-<li>Upgrade to 1.3.9.</li>
+<li>Upgrade to 1.3.9 (<a href="https://github.com/roundcube/roundcubemail/releases/tag/1.3.9">Detailed ChangeLog</a>.)</li>
 </ul>
 </li>
 <li>
@@ -46,6 +46,8 @@
   backends. It's disabled by default, you can enable it in iRedMail Easy
   user portal, in mail server profile page, tab "Settings".</p>
 <p>Note: Dovecot doesn't support this with PostgreSQL yet.</p>
+<p>Here's detailed tutorial to show you what changes are applied to Dovecot:
+  <a href="https://docs.iredmail.org/track.user.last.login.html">Track user last login time</a>.</p>
 </li>
 </ul>
 </li>