Allow your users to contact each others via email. 📧
Like carrier pigeons 2.0. 🐦
Notes: At the moment, you have to manually specify the recipientId, see #2 for some workarounds.
Check that user waits more than X seconds between messages (wires).
Default value: 60 secs.
Check that the user doesn't post more than Y messages (wires) per day.
Default value: 3 per day.