Do you have a customer claiming to not be getting emails, or not being about to access their account? One of the first things you want to check is if their email is typed incorrectly. It happens everyone makes a typo from time to time, and if this is your customers first time ever accessing a Product on Simplero that little typo can prevent them from being able to do or see anything including their account where they would normally update it themselves.
The safest way to fix it is this:
In this case, it's the same, of course, but if you changed the email address, it'll be a new one.
We realize this isn't as simple as we'd like it to be, and maybe we'll come up with a good way to make it simpler in the future, but this is how you do it.