Hi Vitaly, In addition to sending email, SendGrid can receive email or make sense of the email you’ve already sent using webhooks. You may check related detail on the "Sending Emails with SendGrid" documentation page <https://cloud.google.com/appengine/docs/standard/python3/sending-emails-with-sendgrid>. I am sure that most liked GAE services will be made available in a form or another with Python 3.
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