Avoid multiple registration with same recovery
https://gitlab.e.foundation/e/infra/backlog/-/issues/4200
Users using caps in their mails could register multiple time because mails are registered with case but checked in lower case.
This is currently deployed in staging:
to test, with two accounts, set the same recovery mail address with caps on both:
For example:
(use another mail :D I don't own this one)
Edited by Alexandre Roux