Redash uses email as part of user management (password reset and so on) and as a destination for alerts to be received at.
After your first setup, when you log in to Redash, you will see the following notification telling you that your email has not yet been configured, which means that you can't enjoy all the features of Redash:
The email configuration resides inside an env file.
We can use the find or locate Linux command to find where exactly the env file resides on our machine.
By default (in case you used setup.sh based installation), it's located at /opt/redash/env.
In the bitnami installation for example, the file ...