Thanks Trac alias mtomiyoshi for the report, Marten Kenbeek for the initial
patch and Tim for the review.

Thanks Tim Graham for the review.

Thanks Ramiro Morales for the report and Tim Graham for the review.

Thanks Tim Graham for the review.

Forward port of bfc9c727 from stable/1.10.x.

The test wouldn't pass if a mail server is running on the system.

Thanks Tim Graham for the review.

Thanks Graham Wideman for the report.

Thanks Simon Charette for review.

Fixed #20705 -- Allowed using PasswordResetForm with user models with an email field not named 'email'.

Unused since dcdc579d.