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We've recently moved our emails to O365/Exchange Online and I wanted to see how I could enable a user to be able to send as anyone he wants thats within our domain even if the email address doesnt exist. We have a third party app where it uses SQL and VB to send emails.<br />
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I used to be able to use this powershell command to let users send as whoever they wanted:<br />
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<pre><code class="code-1 nolinks" id="code-10-29074599-1"><span>Get-ReceiveConnector “Relay_ReceiveConnector” | Add-ADPermission -User “DOMAIN\USER” -ExtendedRights “ms-Exch-SMTP-Accept-Any-Recipient”</span>
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I'm not sure if this is possible with O365/exchange online.
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We've recently moved our emails to O365/Exchange Online and I wanted to see how I could enable a user to be able to send as anyone he wants thats within our domain even if the email address doesnt exist. We have a third party app where it uses SQL and VB to send emails.

I used to be able to use this powershell command to let users send as whoever they wanted:

(CODE)

I'm not sure if this is possible with O365/exchange online.

O365/Exchange Online enabling a user account to send as anyone

Windows PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. PowerShell provides full access to the Component Object Model (COM) and Windows Management Instrumentation (WMI), enabling administrators to perform administrative tasks on both local and remote Windows systems as well as WS-Management and Common Information Model (CIM) enabling management of remote Linux systems and network devices.

Powershell

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.