#37161: Implement a system check for deprecated mail settings
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Reporter: Jacob Walls | Type: New feature
Status: new | Component: Core (Mail)
Version: 6.0 | Severity: Release blocker
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Because the deprecated mail settings will stop working in Django 7.0, this
could lead to data loss if someone misses the deprecation warnings and
fails to migrate to `MAILERS`.
For a similar scenario with `STORAGES`, on the forum we
[https://forum.djangoproject.com/t/deprecation-of-default-file-storage-
can-we-easen-the-migration/34284/20 appeared to agree] that in retrospect,
we should have implemented a temporary system check in
`core.checks.compatibility` despite some disagreement about what a more
robust, permanent solution might look like for retiring settings.
An example where this was implemented before is in
354acd04af524ad82002b903df1189581c51cabe, although it's not a perfect
analogue because that check only checked for ''conflicts'' between old &
new settings--which we do have right now in 6.1, raising a runtime
`ImproperlyConfigured`--not the presence of the old settings at all.
(Interestingly, the `ImproperlyConfigured` is swallowed by `manage.py
shell`...)
Anyway, I think we should consider adding a system check during the
deprecation period.
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Ticket URL: <https://code.djangoproject.com/ticket/37161>
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