Create a proper page when the message has been sent
Add email headers to the message
Check the mailsite key in the RTS
Check mailsite key before inserting
Check the other values in the RTS
Check the channel key when receiving RTS
Include senders mailsite in the RTS
Fetch the mailsite key in the RTS without changes
Return empty list if the outbox doesn't exist
Put the recipient state at the end

If there are errors while processing the RTS we don't want to mark it as
received, so the state must be updated after the other values
Fix MalformedURLException when handling RTS
Add methods for getting and setting WoT properties
Store mailsite edition using WoT
Get mailsite edition from WoT
Move property name to a new class
Log which channel the running task belongs to
Stop fetch if the URI is invalid
Delete old TODO
Check that the keys haven't changed

If we get a different set of keys we have to start over with most of the
properties since the other side has probably forgotten about us.
Add the correct mailsite edition to the RTS