some slight cleanup

README.md

 -   Spam fighting via [Rspamd](https://www.rspamd.com/).
 -   Mail server verification using [DKIM](http://www.dkim.org/) and [DMARC](http://www.dmarc.org/) so the Internet knows your mailserver is legit.
 -   Webmail via [Roundcube](http://www.roundcube.net/).
--   Mobile push notifications via [Z-Push](http://z-push.sourceforge.net/soswp/index.php?pages_id=1&t=home).
+-   Mobile push notifications and autodiscovery via [Z-Push](http://z-push.sourceforge.net/soswp/index.php?pages_id=1&t=home).
 -   Email client [automatic configuration](https://developer.mozilla.org/en-US/docs/Mozilla/Thunderbird/Autoconfiguration).
 -   Jabber/[XMPP](http://xmpp.org/) instant messaging via [Prosody](http://prosody.im/).
 -   An RSS Reader via [Selfoss](http://selfoss.aditu.de/).
 
 The following steps are done on the remote server by `ssh`ing into it and running these commands.
 
-### 1. Install required packages e.g `aptitude` is required on Debian
+### 1. Install required packages
 
     apt-get install sudo python
 

roles/mailserver/handlers/main.yml

 - name: restart dovecot
   service: name=dovecot state=restarted
 
-- name: restart opendkim
-  service: name=opendkim state=restarted
-
 - name: restart solr
   service: name=tomcat8 state=restarted