django-anymail

Django email backends and webhooks for Amazon SES, Brevo, MailerSend, Mailgun, Mailjet, Mailtrap, Postmark, Postal, Resend, Scaleway TEM, SendGrid, SparkPost, Unisender Go and more. Maintained by anymail on GitHub, where it has earned 1,888 stars from the community.

It's actively developed around amazon-ses, brevo, django, and is a solid reference for anyone building with these tools.