Admin panel: Setup
Admin panel - Setup has the menu for setup email, server settings, etc.
Email setup using default provider requires to fill only these fields:
From name - enter a name of sender
No reply email address - enter an email address that corresponds to sender's email.
Signature - enter a signature that will be seen in every email in footer part.
Use SMTP server - no.
There are 4 in total of email providers to choose from - default (server), Sendgrid, Postmark, Mailgun.
Sengrid requires an API key to work.
Main server settings
See separate page for "Main server settings" here >> Main server settings