Add Pushover docs

docs/u_e-mailcow_ui-pushover.md

@@ -0,0 +1,25 @@
+!!! info
+    Pushover makes it easy to get real-time notifications on your Android, iPhone, iPad, and Desktop
+
+
+You can use Pushover to get a push notification on every mail you receive for each mailbox where you enabled this feature.
+
+
+1\. As admin open your mailbox' settings and scroll down to the Pushover settings
+
+
+2\. Register yourself on [Pushover](https://pushover.net)
+
+
+3\. Put your 'User Key' in the 'User/Group Key' field in your mailbox settings
+
+4\. Create an Applications to get the API Token/Key which you also need to put in your mailbox settings
+
+
+5\. Optional you can add a notification title and a notification text
+
+
+6\. Save everything and then you can verify your credentials
+
+
+If everything is done you can test sending a mail and you will receive a push message on your phone

mkdocs.yml

@@ -62,6 +62,7 @@ nav:
   - 'mailcow UI':
       - 'Configuration': 'u_e-mailcow_ui-config.md'
       - 'Blacklist / Whitelist': 'u_e-mailcow_ui-bl_wl.md'
+      - 'Pushover': 'u_e-mailcow_ui-pushover.md'
       - 'Spamfilter': 'u_e-mailcow_ui-spamfilter.md'
       - 'Temporary email aliases': 'u_e-mailcow_ui-spamalias.md'
       - 'Tagging': 'u_e-mailcow_ui-tagging.md'