Step-by-Step Guide to Authenticate SMTP, IMAP & POP Connections Using OAuth 2.0 | Entra ID Setup

Published: 16 October 2024
on channel: ITeePK
2,134
39

Unlock the power of secure email connection with our tutorial on setting up authenticated SMTP, IMAP, and POP connections using OAuth 2.0!
In this video, we walk you through the entire process step-by-step, ensuring you have everything you need to effectively register your application in Entra App, configure app secrets, and grant the necessary API permissions with admin consent.

📌 What's Covered in This Video:

App Registration in Entra App: A detailed guide to setting up your application correctly.
Certificates and Secrets: Learn how to generate and manage your application secrets.
API Permissions: Understand how to grant admin consent for your application.
PowerShell Commands: Execute commands for registering apps using Tenant ID and Object ID in Azure AD and Exchange Online.
Setting Up Multiple Mailboxes: Step-by-step assistance for configuring single or multiple email boxes.

🚨 Important Note: Microsoft has deprecated the old process of SMTP and application registration, so it’s crucial to follow this new method for a secured connection.

📖 Further Resources:

For detailed documentation from Microsoft on this topic, visit: Microsoft Documentation on OAuth 2.0: https://learn.microsoft.com/en-us/exc...

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PowerShell Commands Below:

Install-Module -Name AzureAD

Install-Module -Name ExchangeOnlineManagement



$AppId = "Paste Azure APP ID Here"
$TenantId = "Paste Tenant ID Here"

Import-module AzureAD
Connect-AzureAd -Tenant $TenantId

($Principal = Get-AzureADServicePrincipal -filter "AppId eq '$AppId'")
$PrincipalId = $Principal.ObjectId

$DisplayName = "principal for IMAP/POP3"

Import-module ExchangeOnlineManagement
Connect-ExchangeOnline -Organization $TenantId

New-ServicePrincipal -AppId $AppId -ServiceId $PrincipalId -DisplayName $DisplayName

Add-MailboxPermission -User $PrincipalId -AccessRights FullAccess -Identity "Paste Your Mailbox Here"

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