Html code for validating username and password

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Later in the tutorial, we'll change this so new users cannot log in until their email has been validated. You might want to use this email again in the next step when the app sends a confirmation email. Deleting the email alias now will make it easier in the following steps. It's a best practice to confirm the email of a new user registration to verify they are not impersonating someone else (that is, they haven't registered with someone else's email).

Suppose you had a discussion forum, and you wanted to prevent "[email protected]" from registering as "[email protected]" Without email confirmation, "[email protected]" could get unwanted email from your app.

Of course, they have to update their exemption status to avail of the additional tax exemption.

In most cases, employees are the ones processing the update of their exemption status.

You generally want to prevent new users from posting any data to your web site before they have a confirmed email.

Update The preceding line prevents registered users from being logged in until their email is confirmed.

If you publish the app to Azure, you can set the Send Grid secrets as application settings in the Azure Web App portal. You can combine local and social accounts by clicking on your email link.

Email confirmation provides only limited protection from bots and doesn't provide protection from determined spammers who have many working email aliases they can use to register.In the section below, we will modify the code to require new users have a confirmed email before they are logged in. To complete this section, you must first enable an external authentication provider.Update the Note: A security best practice is to not use production secrets in test and development. See Enabling authentication using Facebook, Google and other external providers.Once they log out, they won't be able to log in again until they register. NET Core 2.x includes , which allows you to send email from your app.Later in the tutorial we'll change the code so newly registered user are not logged in. You need a Send Grid account and key to send email. We recommend you use Send Grid or another email service to send email. For this sample, the Note: A security best practice is to not use production secrets in test and development.

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