#17811: Connection object is no passed to the EmailMessage constructor when
called
from send_mass_mail
-------------------------------------+-------------------------------------
Reporter: Fedor Tyurin | Owner: Daniel
| Roseman
Type: Bug | Status: closed
Component: Core (Mail) | Version: 1.3
Severity: Normal | Resolution: fixed
Keywords: mail, connection, | Triage Stage: Ready for
email | checkin
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Mike Edmunds):
Replying to [ticket:17811 Fedor Tyurin]:
> This causes troubles if email backend stores something inside the self
object for the later use and expects that messages would have reference to
it.
In general, an EmailBackend instance ''cannot'' assume that
`EmailMessage.connection` has been set to the backend instance after the
backend has been used to send the message. Django supports (and
[https://docs.djangoproject.com/en/6.0/topics/email/#topics-sending-
multiple-emails documents]) directly calling `backend.send_messages([...
list of EmailMessage ...])`, which doesn't set the `connection` property
on the sent messages. See #35864.
If a specific backend implementation needs to ensure
`EmailMessage.connection` is always set, it should set each message's
`connection` property to `self` in its `send_messages()` method.
(Also, we're about to deprecate and remove `connection` entirely as part
of #35514.)
--
Ticket URL: <https://code.djangoproject.com/ticket/17811#comment:6>
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