Users: Where Email Address Is

Retrieving a user where email address is using Microsoft Graph.

PowerShell

Connect-MgGraph -Scopes @('User.Read.All')

$smtpProxyAddress = 'smtp:someone@domain.com'
$params = @{
    'Filter' = "proxyAddresses/any(x:x eq '$smtpProxyAddress')";
}
$user = Get-MgUser @params

Dependencies

Microsoft Graph SDK for PowerShell

Install-Module Microsoft.Graph -AllowClobber -Force

Connect-MgGraph

Using the Microsoft Graph Command Line Tools Enterprise Application:

Connect-MgGraph -Scopes @('')

Using an existing Access Token:

Connect-MgGraph -AccessToken (ConvertTo-SecureString 'ey..' -AsPlainText -Force)

Using an Application Registration (Platform: Mobile and desktop applications, redirect http://localhost):

Connect-MgGraph -ClientId 'abc..' -TenantId 'abc..'

Using a ClientId and Secret (Password):

$tenantId = ''
$clientId = ''
$secret = ConvertTo-SecureString '' -AsPlainText -Force
$secretCredential = New-Object System.Management.Automation.PSCredential ($clientId, $secret)
$params = @{
    'SecretCredential' = $secretCredential
    'TenantId'         = $tenantId
}
Connect-MgGraph @params