diff --git a/docs/rolereference.rst b/docs/rolereference.rst
index e3feaf5a18026ae6fb8accfa602c65ccabd42350..83dc41b1463ebcc6aad3afaec2cb9c79c17292d8 100644
--- a/docs/rolereference.rst
+++ b/docs/rolereference.rst
@@ -601,11 +601,13 @@ Postfix is used SMTP, while Dovecot is used for IMAP.
 
 The role implements the following:
 
+* Installs rsync.
 * Adds the Wheezy backports repository.
 * Installs and configures Dovecot (from backports), Postfix, ClamAV, and ClamAV
   Milter.
 * Purges Exim4 configuration (just in case).
 * Installs SWAKS (utility for testing SMTP servers).
+* Sets-up the necessary directories and files under Postfix chroot.
 
 Deployed services are configured as follows:
 
@@ -692,6 +694,12 @@ Parameters
 **mail_postmaster** (string, mandatory)
   Mail address to use for the postmaster account in Dovecot.
 
+**smtp_allow_relay_from** (list, mandatory)
+  List of networks from which mail relaying is allowed even without
+  authentication. Each item in the list is a string defining a network. The
+  format must be compatible with Postfix ``mynetworks`` setting (for example:
+  ``192.168.1.0/24``, ``myhost.example.com`` etc).
+
 
 Examples
 ~~~~~~~~
@@ -721,3 +729,7 @@ Here is an example configuration for setting-up XMPP server using Prosody:
     - bl.spamcop.net
     - zen.spamhaus.org
   mail_postmaster: postmaster@example.com
+
+  smtp_allow_relay_from:
+    - ldap.example.com
+    - xmpp.example.com