Oct 21, 2024 · Learn how to enable and use email one-time passcode authentication for B2B guest users in Microsoft Entra External ID. This feature provides a seamless fallback authentication method for sign-in.

This article provides a guide on configuring and setting up a custom email provider for the One Time Passcode (OTP) Send event type. The event is triggered when an OTP email is activated, it allows you to call a REST API to use your own email provider by calling a REST API.

Set up your email address from the Security info page. Depending on your organization’s settings, you might be able to use your email address as one of your security info methods.

Mar 16, 2022 · Check your junk email folder for a message from a Microsoft account, and use the code sent to you. Valid verification codes come from an @accountprotection.microsoft.com email address. Mark @accountprotection.microsoft.com as a trusted sender to receive your verification code in your inbox.

Nov 21, 2024 · Learn how to add multifactor authentication (MFA) to your consumer and business customer (CIAM) application. For example, add email one-time passcode as a second authentication factor to your CIAM sign-up and sign-in user flows.

Mar 17, 2025 · Dear Mantas_368, Thank you for using Microsoft products and posting in the Microsoft Support Community. I am aware that you have been receiving a lot of unauthorised one-time use code emails to your Microsoft account, and I am deeply aware that this poses a significant threat to the security of your account, I am completely in your shoes and understand how you feel, and I will do everything I ...

Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account. It uses two different forms of identity: your password, and a contact method (also known as security info).

Sign into the Microsoft 365 portal (office.com). Select your avatar in the top right, then select View account. Under Security info select Update info.

Oct 3, 2014 · If you do not have a Microsoft account, you can now choose the option to view encrypted messages using one-time passcode. As soon as you select the option to use one-time passcode, we send a passcode in an email message to your inbox.

Dec 4, 2024 · With the new custom authentication extension, you can easily customize Microsoft Entra External ID built-in email service with an email provider of your choice like Azure Communication Services or any other 3 rd party email provider for a custom look and feel.