import ssl
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from django.core.mail.backends.smtp import EmailBackend
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from django.utils.functional import cached_property
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class NoVerificationEmailBackend(EmailBackend):
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"""SMTP email backend that does not verify SSL certificates or hostname
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if no certfile or keyfile is provided. This is equivalent to the behavior
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of Django's smtp.EmailBackend prior to Django 4. If EmailBackend
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works for you, prefer that as it's more secure than this.
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"""
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@cached_property
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def ssl_context(self):
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if self.ssl_certfile or self.ssl_keyfile:
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ssl_context = ssl.SSLContext(protocol=ssl.PROTOCOL_TLS_CLIENT)
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ssl_context.load_cert_chain(self.ssl_certfile, self.ssl_keyfile)
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return ssl_context
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else:
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ssl_context = ssl.create_default_context()
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ssl_context.check_hostname = False
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ssl_context.verify_mode = ssl.CERT_NONE
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return ssl_context
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