Bad request 400 when i try to send email

in my settings.py

EMAIL_BACKEND = 'sendgrid_backend.SendgridBackend' SENDGRID_API_KEY = 'my api key ' SENDGRID_CLIENT_URL = 'https://api.sendgrid.com/v3/mail/send'

and in my view

`from django.core.mail import send_mail, EmailMessage

  msg = EmailMessage(
            subject="Hello, World!",
            body="Hello, World!",
            from_email="t@t.com",
            to=["t@t.com"],
            cc=["t@t.com"],
            bcc=["t@t.com"],
            reply_to=["t@t.com"],
    )
    msg.send(fail_silently=False)

sendgrid / sendgrid-python

Bad request 400 when i try to send email #974