[GitHub] [airflow] bhavaniravi commented on issue #20419: Need clearer documentation on setting up Sendgrid to send emails

[GitBox <gi...@apache.org>]

bhavaniravi commented on issue #20419:
URL: https://github.com/apache/airflow/issues/20419#issuecomment-1004569803


   I was creating an example for this, a few questions popped up.
   
   1. `from_email` in airflow config is not introduced until 2.2.4, but I can still use it. Should I include it in the guide?
   2. Is there a reason for `from_email` config alone to be in [lower case](https://github.com/apache/airflow/blob/064efbeae7c2560741c5a8928799482ef795e100/airflow/utils/email.py#L53)? It created confusion in the env variable `AIRFLOW__EMAIL__from_email`
   3. When will a user use SMTP config over EmailConnection?
   4. Should we create a separate documentation page for the commonly used `utils` method. E.g., `send_email`


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