1. Create account with SendGrid.com. Please be noted that there are different pricing plans.

2. Add Username, Password -> Click 'Create Account':

3. Add additional information -> Click 'Get started':

4. Confirm email address:

5. Go to 'Settings' -> 'API Keys' -> 'Create API Keys':

6. Give the name to your Key and select FULL ACCESS -> Click 'Create & View':

7. Copy your key and paste it to the plugin settings.
Click Save Changes and you are done!

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