What are the SMTP settings for Microsoft 365?

What are the SMTP settings for Microsoft 365?https://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365.aspxen-USCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)What are the SMTP settings for Microsoft 365?https://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365.aspxWed, 20 Nov 2024 02:16:13 GMTde06579a-5120-4393-a24b-6f68f5e7a3ec:31Troy Wolbrinkhttps://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/comments.aspxCurrent revision posted to Frequently Asked Questions by Troy Wolbrink on 11/20/2024 2:16:13 AM<br /> <h2>What are the SMTP settings for Microsoft 365?</h2> <div style="font-size: 90%;">Filed under: SMTP Settings</div> <h2>Prerequisites</h2> <p>To support sending email receipts from DonorWise through Microsoft 365, there are two requirements.</p> <p><strong>#1)</strong>  You must be running DonorWise 4.1.19 or newer.  <em>This version adds support for SMTP over TLS 1.2.</em></p> <p><strong>#2) </strong>You must enable Basic Authentication over SMTP on your MS 365 instance.  </p> <table border="1"> <tbody> <tr> <td> <p><strong>To enable Basic Authentication for SMTP on Microsoft 365</strong></p> <ul> <li>Enable the possibility of Basic Authentication for SMTP via this link:  <a href="https://aka.ms/PillarEXOBasicAuth">https://aka.ms/PillarEXOBasicAuth</a> <br /><br /></li> <li>In PowerShell (run as admin), I ran this script:</li> </ul> <p><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Install-Module -Name ExchangeOnlineManagement -RequiredVersion 2.0.5</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-ExecutionPolicy RemoteSigned</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Import-Module ExchangeOnlineManagement</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Connect-ExchangeOnline -UserPrincipalName <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span></span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-TransportConfig -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-CASMailbox -Identity <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span> -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Disconnect-ExchangeOnline</span></p> </td> </tr> </tbody> </table> <p>Be sure to replace <a href="mailto:troy@tntware.com">troy@tntware.com </a>with the email address you're using to send receipts from.</p> <p>Your MS 365 instance may require additional steps.  These instructions were based on this <a href="https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210">MS article</a> and this <a href="https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/authenticated-client-smtp-submission">MS article</a>.</p> <p><span style="background: SpringGreen;">As</span> <span style="background: SpringGreen;">of</span> <span style="background: SpringGreen;">September</span> <span style="background: SpringGreen;">2024</span><span style="background: SpringGreen;">,</span> <span style="background: SpringGreen;">this</span> <span style="background: SpringGreen;">article</span> <span style="background: SpringGreen;">from</span> <span style="background: SpringGreen;">Microsoft</span> <span style="background: SpringGreen;">seems</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">have</span> <span style="background: SpringGreen;">the</span> <span style="background: SpringGreen;">most</span> <span style="background: SpringGreen;">comprehensive</span> <span style="background: SpringGreen;">information</span><span style="background: SpringGreen;">:</span>  <br /><a href="https://learn.microsoft.com/en-us/exchange/mail-flow-best-practices/how-to-set-up-a-multifunction-device-or-application-to-send-email-using-microsoft-365-or-office-365"><span style="background: SpringGreen;">How</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">set</span> <span style="background: SpringGreen;">up</span> <span style="background: SpringGreen;">a</span> <span style="background: SpringGreen;">multifunction</span> <span style="background: SpringGreen;">device</span> <span style="background: SpringGreen;">or</span> <span style="background: SpringGreen;">application</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">send</span> <span style="background: SpringGreen;">emails</span> <span style="background: SpringGreen;">using</span> <span style="background: SpringGreen;">Microsoft</span> <span style="background: SpringGreen;">365</span> <span style="background: SpringGreen;">or</span> <span style="background: SpringGreen;">Office</span> <span style="background: SpringGreen;">365</span></a></p> <h2>SMTP Settings</h2> <p>Under the "Tools" menu, click on "System Setup".  In the SMTP section.  Use the following settings:</p> <ul> <li>Server:  <strong>smtp.office365.com</strong></li> <li>Port: <strong>587</strong></li> <li>SSL/TLS:  <strong>Explicit</strong></li> <li><strong>TLS 1.2</strong></li> <li>Set both <strong>User</strong> and <strong>From</strong> to the email you're sending from.</li> </ul> <p>  <a href="https://www.tntware.com/donorwise/cfs-file.ashx/__key/CommunityServer.Wikis.Components.Files/en/1651.dw-smtp-for-ms.png"><img src="https://www.tntware.com/donorwise/cfs-filesystemfile.ashx/__key/CommunityServer.Components.ImageFileViewer/CommunityServer.Wikis.Components.Files.en/1651.dw-smtp-for-ms.png_2D00_550x0.png" alt="" border="0" /></a></p> <hr /> <div class="heading-wrapper"> <h3 class="heading-anchor"><span style="background: SpringGreen;">If</span> <span style="background: SpringGreen;">you</span> <span style="background: SpringGreen;">receive</span> <span style="background: SpringGreen;">error</span><span style="background: SpringGreen;">,</span> <span style="background: SpringGreen;">"5.7.57</span> <span style="background: SpringGreen;">Client</span> <span style="background: SpringGreen;">not</span> <span style="background: SpringGreen;">authenticated</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">send</span> <span style="background: SpringGreen;">mail</span><span style="background: SpringGreen;">":</span></h3> </div> <p><a href="https://learn.microsoft.com/en-us/exchange/troubleshoot/email-delivery/fix-issues-with-printers-scanners-and-lob-applications-that-send-email-using-off#fix-issues-with-smtp-auth-client-submission"><span style="background: SpringGreen;">https://learn.microsoft.com/en-us/exchange/troubleshoot/email-delivery/fix-issues-with-printers-scanners-and-lob-applications-that-send-email-using-off#fix-issues-with-smtp-auth-client-submission</span></a></p> <p><span style="background: SpringGreen;">Within</span> <span style="background: SpringGreen;">this</span> <span style="background: SpringGreen;">web</span> <span style="background: SpringGreen;">page</span><span style="background: SpringGreen;">,</span> <span style="background: SpringGreen;">search</span> <span style="background: SpringGreen;">for</span> <span style="background: SpringGreen;">the</span> <span style="background: SpringGreen;">text</span><span style="background: SpringGreen;">,</span> <span style="background: SpringGreen;">"</span><strong><span style="background: SpringGreen;">Client</span> <span style="background: SpringGreen;">not</span> <span style="background: SpringGreen;">authenticated</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">send</span> <span style="background: SpringGreen;">mail</span></strong><span style="background: SpringGreen;">"</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">find</span> <span style="background: SpringGreen;">Microsoft</span><span style="background: SpringGreen;">'</span><span style="background: SpringGreen;">s</span> <span style="background: SpringGreen;">specific</span> <span style="background: SpringGreen;">guidance</span> <span style="background: SpringGreen;">on</span> <span style="background: SpringGreen;">what</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">do</span><span style="background: SpringGreen;">.</span> </p> <p><span style="background: SpringGreen;">You</span> <span style="background: SpringGreen;">may</span> <span style="background: SpringGreen;">notice</span> <span style="background: SpringGreen;">that</span> <span style="background: SpringGreen;">it</span> <span style="background: SpringGreen;">suggest</span> <span style="background: SpringGreen;">turning</span> <span style="background: SpringGreen;">off</span> <span style="background: SpringGreen;">MFA</span> <span style="background: SpringGreen;">for</span> <span style="background: SpringGreen;">the</span> <span style="background: SpringGreen;">account</span> <span style="background: SpringGreen;">being</span> <span style="background: SpringGreen;">used</span> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">send</span> <span style="background: SpringGreen;">email</span></p>What are the SMTP settings for Microsoft 365?https://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/revision/4.aspxThu, 13 Jan 2022 00:46:37 GMTde06579a-5120-4393-a24b-6f68f5e7a3ec:1085Troy Wolbrinkhttps://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/comments.aspxRevision 4 posted to Frequently Asked Questions by Troy Wolbrink on 1/13/2022 12:46:37 AM<br /> <h2>What are the SMTP settings for Microsoft 365?</h2> <div style="font-size: 90%;">Filed under: <span style="background: SpringGreen;">SMTP</span> <span style="background: SpringGreen;">Settings</span></div> <h2>Prerequisites</h2> <p>To support sending email receipts from DonorWise through Microsoft 365, there are two requirements.</p> <p><strong>#1)</strong>  You must be running DonorWise 4.1.19 or newer.  <em>This version adds support for SMTP over TLS 1.2.</em></p> <p><strong>#2) </strong>You must enable Basic Authentication over SMTP on your MS 365 instance.  </p> <table border="1"> <tbody> <tr> <td> <p><strong>To enable Basic Authentication for SMTP on Microsoft 365</strong></p> <ul> <li>Enable the possibility of Basic Authentication for SMTP via this link:  <a href="https://aka.ms/PillarEXOBasicAuth">https://aka.ms/PillarEXOBasicAuth</a> <br /><br /></li> <li>In PowerShell (run as admin), I ran this script:</li> </ul> <p><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Install-Module -Name ExchangeOnlineManagement -RequiredVersion 2.0.5</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-ExecutionPolicy RemoteSigned</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Import-Module ExchangeOnlineManagement</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Connect-ExchangeOnline -UserPrincipalName <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span></span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-TransportConfig -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-CASMailbox -Identity <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span> -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Disconnect-ExchangeOnline</span></p> </td> </tr> </tbody> </table> <p>Be sure to replace <a href="mailto:troy@tntware.com">troy@tntware.com </a>with the email address you're using to send receipts from.</p> <p>Your MS 365 instance may require additional steps.  These instructions were based on this <a href="https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210">MS article</a> and this <a href="https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/authenticated-client-smtp-submission">MS article</a>.</p> <h2>SMTP Settings</h2> <p>Under the "Tools" menu, click on "System Setup".  In the SMTP section.  Use the following settings:</p> <ul> <li>Server:  <strong>smtp.office365.com</strong></li> <li>Port: <strong>587</strong></li> <li>SSL/TLS:  <strong>Explicit</strong></li> <li><strong>TLS 1.2</strong></li> <li>Set both <strong>User</strong> and <strong>From</strong> to the email you're sending from.</li> </ul> <p>  <a href="https://www.tntware.com/donorwise/cfs-file.ashx/__key/CommunityServer.Wikis.Components.Files/en/1651.dw-smtp-for-ms.png"><img src="https://www.tntware.com/donorwise/cfs-filesystemfile.ashx/__key/CommunityServer.Components.ImageFileViewer/CommunityServer.Wikis.Components.Files.en/1651.dw-smtp-for-ms.png_2D00_550x0.png" alt="" border="0" /></a></p> <p> </p>What are the SMTP settings for Microsoft 365?https://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/revision/3.aspxThu, 13 Jan 2022 00:46:37 GMTde06579a-5120-4393-a24b-6f68f5e7a3ec:1075Troy Wolbrinkhttps://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/comments.aspxRevision 3 posted to Frequently Asked Questions by Troy Wolbrink on 1/13/2022 12:46:37 AM<br /> <h2>What are the SMTP settings for Microsoft 365?</h2> <h2>Prerequisites</h2> <p>To support sending email receipts from DonorWise through Microsoft 365, there are two requirements.</p> <p><strong>#1)</strong>  You must be running DonorWise 4.1.19 or newer.  <em>This version adds support for SMTP over TLS 1.2.</em></p> <p><strong>#2) </strong>You must enable Basic Authentication over SMTP on your MS 365 instance.  </p> <table border="1"> <tbody> <tr> <td> <p><strong>To enable Basic Authentication for SMTP on Microsoft 365</strong></p> <ul> <li>Enable the possibility of Basic Authentication for SMTP via this link:  <a href="https://aka.ms/PillarEXOBasicAuth">https://aka.ms/PillarEXOBasicAuth</a> <br /><br /></li> <li>In PowerShell (run as admin), I ran this script:</li> </ul> <p><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Install-Module -Name ExchangeOnlineManagement -RequiredVersion 2.0.5</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-ExecutionPolicy RemoteSigned</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Import-Module ExchangeOnlineManagement</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Connect-ExchangeOnline -UserPrincipalName <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span></span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-TransportConfig -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-CASMailbox -Identity <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span> -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Disconnect-ExchangeOnline</span></p> </td> </tr> </tbody> </table> <p>Be sure to replace <a href="mailto:troy@tntware.com">troy@tntware.com </a>with the email address you're using to send receipts from.</p> <p>Your MS 365 instance may require additional steps.  These instructions were based on this <a href="https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210">MS article</a> and this <a href="https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/authenticated-client-smtp-submission">MS article</a>.</p> <h2>SMTP Settings</h2> <p>Under the "Tools" menu, click on "System Setup".  In the SMTP section.  Use the following settings:</p> <ul> <li>Server:  <strong>smtp.office365.com</strong></li> <li>Port: <strong>587</strong></li> <li>SSL/TLS:  <strong>Explicit</strong></li> <li><strong>TLS 1.2</strong></li> </ul> <p><a href="https://www.tntware.com/donorwise/cfs-file.ashx/__key/CommunityServer.Wikis.Components.Files/en/2021.dw-smtp-for-ms.png"> <span style="text-decoration: line-through; color: red;"><img src="https://www.tntware.com/donorwise/cfs-filesystemfile.ashx/__key/CommunityServer.Components.ImageFileViewer/CommunityServer.Wikis.Components.Files.en/2021.dw-smtp-for-ms.png_2D00_550x0.png" alt="" border="0" /></span></strong></li> <li><span style="background: SpringGreen;">Set</span> <span style="background: SpringGreen;">both</span> <strong><span style="background: SpringGreen;">User</span></strong> <span style="background: SpringGreen;">and</span> <strong><span style="background: SpringGreen;">From</span></strong> <span style="background: SpringGreen;">to</span> <span style="background: SpringGreen;">the</span> <span style="background: SpringGreen;">email</span> <span style="background: SpringGreen;">you</span><span style="background: SpringGreen;">'</span><span style="background: SpringGreen;">re</span> <span style="background: SpringGreen;">sending</span> <span style="background: SpringGreen;">from</span><span style="background: SpringGreen;">.</span></li> </ul> <p>  <a href="https://www.tntware.com/donorwise/cfs-file.ashx/__key/CommunityServer.Wikis.Components.Files/en/1651.dw-smtp-for-ms.png"><span style="background: SpringGreen;"><img src="https://www.tntware.com/donorwise/cfs-filesystemfile.ashx/__key/CommunityServer.Components.ImageFileViewer/CommunityServer.Wikis.Components.Files.en/1651.dw-smtp-for-ms.png_2D00_550x0.png" alt="" border="0" /></span></a></p> <p> </p>What are the SMTP settings for Microsoft 365?https://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/revision/2.aspxWed, 12 Jan 2022 23:16:50 GMTde06579a-5120-4393-a24b-6f68f5e7a3ec:1074Troy Wolbrinkhttps://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/comments.aspxRevision 2 posted to Frequently Asked Questions by Troy Wolbrink on 1/12/2022 11:16:50 PM<br /> <h2>What are the SMTP settings for Microsoft 365?</h2> <h2>Prerequisites</h2> <p>To support sending email receipts from DonorWise through Microsoft 365, there are two requirements.</p> <p><strong>#1)</strong>  You must be running DonorWise 4.1.19 or newer.  <em>This version adds support for SMTP over TLS 1.2.</em></p> <p><strong>#2) </strong>You must enable Basic Authentication over SMTP on your MS 365 instance.  </p> <table border="1"> <tbody> <tr> <td> <p><strong>To enable Basic Authentication for SMTP on Microsoft 365</strong></p> <ul> <li>Enable the possibility of Basic Authentication for SMTP via this link:  <a href="https://aka.ms/PillarEXOBasicAuth">https://aka.ms/PillarEXOBasicAuth</a> <br /><br /></li> <li>In PowerShell (run as admin), I ran this script:</li> </ul> <p><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Install-Module -Name ExchangeOnlineManagement -RequiredVersion 2.0.5</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-ExecutionPolicy RemoteSigned</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Import-Module ExchangeOnlineManagement</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Connect-ExchangeOnline -UserPrincipalName <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span></span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-TransportConfig -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-CASMailbox -Identity <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span> -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Disconnect-ExchangeOnline</span></p> </td> </tr> </tbody> </table> <p>Be sure to replace <a href="mailto:troy@tntware.com">troy@tntware.com </a>with the email address you're using to send receipts from.</p> <p>Your MS 365 instance may require additional steps.  These instructions were based on this <a href="https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210">MS article</a> and this <a href="https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/authenticated-client-smtp-submission">MS article</a>.</p> <h2>SMTP Settings</h2> <p>Under the "Tools" menu, click on "System Setup".  In the SMTP section.  Use the following settings:</p> <ul> <li>Server:  <strong>smtp.office365.com</strong></li> <li>Port: <strong>587</strong></li> <li>SSL/TLS:  <strong>Explicit</strong></li> <li><strong>TLS 1.2</strong></li> </ul> <p><a href="https://www.tntware.com/donorwise/cfs-file.ashx/__key/CommunityServer.Wikis.Components.Files/en/2021.dw-smtp-for-ms.png"> <img src="https://www.tntware.com/donorwise/cfs-filesystemfile.ashx/__key/CommunityServer.Components.ImageFileViewer/CommunityServer.Wikis.Components.Files.en/2021.dw-smtp-for-ms.png_2D00_550x0.png" alt="" border="0" /></a></p> <p> </p>What are the SMTP settings for Microsoft 365?https://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/revision/1.aspxWed, 12 Jan 2022 23:16:41 GMTde06579a-5120-4393-a24b-6f68f5e7a3ec:1073Troy Wolbrinkhttps://www.tntware.com/donorwise/faqs/en/what-are-the-smtp-settings-for-microsoft-365/comments.aspxRevision 1 posted to Frequently Asked Questions by Troy Wolbrink on 1/12/2022 11:16:41 PM<br /> <h2>Prerequisites</h2> <p>To support sending email receipts from DonorWise through Microsoft 365, there are two requirements.</p> <p><strong>#1)</strong>  You must be running DonorWise 4.1.19 or newer.  <em>This version adds support for SMTP over TLS 1.2.</em></p> <p><strong>#2) </strong>You must enable Basic Authentication over SMTP on your MS 365 instance.  </p> <table border="1"> <tbody> <tr> <td> <p><strong>To enable Basic Authentication for SMTP on Microsoft 365</strong></p> <ul> <li>Enable the possibility of Basic Authentication for SMTP via this link:  <a href="https://aka.ms/PillarEXOBasicAuth">https://aka.ms/PillarEXOBasicAuth</a> <br /><br /></li> <li>In PowerShell (run as admin), I ran this script:</li> </ul> <p><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Install-Module -Name ExchangeOnlineManagement -RequiredVersion 2.0.5</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-ExecutionPolicy RemoteSigned</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Import-Module ExchangeOnlineManagement</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Connect-ExchangeOnline -UserPrincipalName <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span></span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-TransportConfig -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Set-CASMailbox -Identity <span style="background-color:#ffff99;"><strong>troy@tntware.com</strong></span> -SmtpClientAuthenticationDisabled $false</span><br /><span style="font-family:'courier new', courier, monospace;font-size:8pt;">Disconnect-ExchangeOnline</span></p> </td> </tr> </tbody> </table> <p>Be sure to replace <a href="mailto:troy@tntware.com">troy@tntware.com </a>with the email address you're using to send receipts from.</p> <p>Your MS 365 instance may require additional steps.  These instructions were based on this <a href="https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210">MS article</a> and this <a href="https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/authenticated-client-smtp-submission">MS article</a>.</p> <h2>SMTP Settings</h2> <p>Under the "Tools" menu, click on "System Setup".  In the SMTP section.  Use the following settings:</p> <ul> <li>Server:  <strong>smtp.office365.com</strong></li> <li>Port: <strong>587</strong></li> <li>SSL/TLS:  <strong>Explicit</strong></li> <li><strong>TLS 1.2</strong></li> </ul> <p><a href="https://www.tntware.com/donorwise/cfs-file.ashx/__key/CommunityServer.Wikis.Components.Files/en/2021.dw-smtp-for-ms.png"><img src="https://www.tntware.com/donorwise/cfs-filesystemfile.ashx/__key/CommunityServer.Components.ImageFileViewer/CommunityServer.Wikis.Components.Files.en/2021.dw-smtp-for-ms.png_2D00_550x0.png" alt="" border="0" /></a></p> <p> </p>