Updated Gantt (markdown)

Gantt.md

@@ -1,5 +1,7 @@
 # How to use
 
+[Source](https://github.com/wekan/wekan/issues/2870#issuecomment-721690105)
+
 At cards, both Start and End dates should be set (not Due date) for the tasks to be displayed.
 
 # Funding for more features?
@@ -106,4 +108,29 @@ chmod +x snap-set.sh
 ./snap-set.sh
 
 sudo snap start wekan.wekan
-```
+```
+
+# Univention
+- For Univention, as a new WeKan version, xet7 sent WeKan Gantt GPL v5.71 version for testing. If their tests will be OK, then in near future it will become available Univention. So normal WeKan version will be changed to WeKan Gantt GPL version when upgrading to v5.71 . [Source](https://github.com/wekan/wekan/issues/2870#issuecomment-954598565).
+
+## Email on Univention
+
+[Source](https://github.com/wekan/univention/issues/6#issuecomment-607986717)
+
+### 1) Wekan product page, scroll down
+
+![ucs-mail-1](https://user-images.githubusercontent.com/15545/78279227-e682f700-751f-11ea-83fc-d22bc71b77fb.png)
+
+### 2) Click APP SETTINGS
+
+![ucs-mail-2](https://user-images.githubusercontent.com/15545/78279301-fdc1e480-751f-11ea-9d7b-1632c71cd79a.png)
+
+### 3) Mail Settings
+
+https://github.com/wekan/wekan/wiki/Troubleshooting-Mail
+
+![ucs-mail-3](https://user-images.githubusercontent.com/15545/78279359-129e7800-7520-11ea-9e22-a911826285ba.png)
+
+### 4) This below is usually not required
+
+( Login to Wekan as admin LDAP group user. Click right top your Username / Admin Panel / Settings / Email ).