diff --git a/src/docbkx/mail.xml b/src/docbkx/mail.xml
index 139f26bbbe..030719aba0 100644
--- a/src/docbkx/mail.xml
+++ b/src/docbkx/mail.xml
@@ -92,18 +92,30 @@
To configure an inbound Channel Adapter, you have the choice between polling or event-driven (assuming your
mail server supports IMAP IDLE - if not, then polling is the only option). A polling Channel Adapter simply
requires the store URI and the channel to send inbound Messages to. The URI may begin with "pop3" or "imap":
-
-
-
-
- ]]>
+
+
+
+
+]]>
If you do have IMAP idle support, then you may want to configure the "imap-idle-channel-adapter" element instead.
Since the "idle" command enables event-driven notifications, no poller is necessary for this adapter. It will
send a Message to the specified channel as soon as it receives the notification that new mail is available:
- ]]>
+ ]]>
+ When using should-mark-messages-as-read be aware of the protocol you are using ti retrieve messages. For example POP3 does not support this flag
+ which means setting it to 'true' will have no effect.
When using the namespace support, a header-enricher Message Transformer is also available.
This simplifies the application of the headers mentioned above to any Message prior to sending to the