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What are the SMTP settings for Microsoft 365?: Revision #2

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What are the SMTP settings for Microsoft 365?

Prerequisites

To support sending email receipts from DonorWise through Microsoft 365, there are two requirements.

#1)  You must be running DonorWise 4.1.19 or newer.  This version adds support for SMTP over TLS 1.2.

#2) You must enable Basic Authentication over SMTP on your MS 365 instance.  

To enable Basic Authentication for SMTP on Microsoft 365

Install-Module -Name ExchangeOnlineManagement -RequiredVersion 2.0.5
Set-ExecutionPolicy RemoteSigned
Import-Module ExchangeOnlineManagement
Connect-ExchangeOnline -UserPrincipalName troy@tntware.com
Set-TransportConfig -SmtpClientAuthenticationDisabled $false
Set-CASMailbox -Identity troy@tntware.com -SmtpClientAuthenticationDisabled $false
Disconnect-ExchangeOnline

Be sure to replace troy@tntware.com with the email address you're using to send receipts from.

Your MS 365 instance may require additional steps.  These instructions were based on this MS article and this MS article.

SMTP Settings

Under the "Tools" menu, click on "System Setup".  In the SMTP section.  Use the following settings:

  • Server:  smtp.office365.com
  • Port: 587
  • SSL/TLS:  Explicit
  • TLS 1.2