Send Scheduled Emails from Python and Flask with Twilio SendGrid
Blog post from Twilio
This tutorial demonstrates how to use SendGrid's email scheduling options in Python and Flask applications. It covers the requirements, creating a Flask project, configuring SendGrid, sending test emails, and scheduling an email using Unix timestamp units. The X-SMTPAPI custom header is used to pass additional sending instructions as a JSON blob. This technique can be useful for scheduling emails at specific times without needing to implement your own background scheduling.
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