Merge branch 'patch-allow_send_as' into 'stable-3.1'

Document allow_send_ase and greylisting, #5536

See merge request ispconfig/ispconfig3!959

remoting_client/API-docs/mail_alias_add.html

@@ -24,6 +24,8 @@
 <p class="margin"> destination&nbsp;&nbsp;(<span class="paratype">text</span>)</p>
 <p class="margin"> type&nbsp;&nbsp;(<span class="paratype">enum('alias','aliasdomain','forward','catchall')</span>)</p>
 <p class="margin"> active&nbsp;&nbsp;(<span class="paratype">enum('n','y')</span>)</p>
+<p class="margin"> allow_send_ase&nbsp;&nbsp;(<span class="paratype">enum('n','y')</span>)</p>
+<p class="margin"> greylisting&nbsp;&nbsp;(<span class="paratype">enum('n','y')</span>)</p>
 <p class="headgrp">Output: </p> 
 <p class="margin"> Returns the ID of the newly added mail alias.</p>
 <!--<b>Output:</b> 

remoting_client/API-docs/mail_alias_update.html

@@ -24,6 +24,8 @@
 <p class="margin"> destination&nbsp;&nbsp;(<span class="paratype">text</span>)</p>
 <p class="margin"> type&nbsp;&nbsp;(<span class="paratype">enum('alias','aliasdomain','forward','catchall')</span>)</p>
 <p class="margin"> active&nbsp;&nbsp;(<span class="paratype">enum('n','y')</span>)</p>
+<p class="margin"> allow_send_ase&nbsp;&nbsp;(<span class="paratype">enum('n','y')</span>)</p>
+<p class="margin"> greylisting&nbsp;&nbsp;(<span class="paratype">enum('n','y')</span>)</p>
 <b>Output: </b> 
 <p class="margin"> Returns the number of affected rows.</p>
 <!--<b>Output:</b>