i try to write a Hubot script that passes information (provided by a webhook) from another system to a specific user via DM.
The usernames are completly different, but all e-mail-adresses are the same.
So my question is:
How do i get the username/userid with an e-mail address provided or is there a way to send a DM to a user by e-mail address?
I am using mongo:3.2, rocket.chat:latest and hubot-rocketchat:latest in the same Docker for Windows
Friendly greets and thanks in advance!