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How to bypass Multi-Factor Authentication or Email Authentication issue for Office 365 / Microsoft 365 Emails

Problem Statement:

When MFA has introduced a couple of months ago in Office 365 / Microsoft 365 or made mandatory for a certain set of accounts, Microsoft Dynamics 365 NAV / Business Central had issues sending email through SMTP Email.

Pre-requisites:

  • Office 365 / Microsoft 365 Account
  • Enabled Outlook
  • Microsoft Dynamics 365 Business Central 

Demonstration:

1. Creating App Password for Multi-Factor Authentication based Accounts:
After you have set up MFA, Microsoft 365 allows you to create a One-Time password to login to the corresponding apps. This password cannot be viewed again so copy it somewhere. Follow the process below.
Office 365 > My Account

Settings & Privacy > Privacy > View Page Link



Security & Privacy > Additional security verification > Create and manage app password


Create Password


Copy Password



2. Enabling Authenticated SMTP in Office 365 / Microsoft 365 Admin Center:

After you have a password created, you need to check if you Mail Apps have the access to your email.
Follow the process below to enable.
Open Users in Office 365 > Mails > Manage email apps

Enable Authenticated SMTP
After this, you just have to use your  Email and App password created in Step #1 in SMTP Setup and run the Test Email.

SMTP Setup in Business Central


Conclusion:

That's all and I'm happy that I figured this out once it for all.
I hope this helps!!

Thanks. Cheers!!

Comments

Unknown said…
you need the same procedure when the user wants to work with the outlook Addin for contacts and documents. Use the same password during the wizzard steps.
Yes agreed.
Please feel free to suggest as well!

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