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Look at the graph, first line, SMTP settings:<br><br><a href="https://support.microsoft.com/en-us/office/pop-imap-and-smtp-settings-8361e398-8af4-4e97-b147-6c6c4ac95353" rel="ugc">https://support.microsoft.com/en-us/office/pop-imap-and-smtp-settings-8361e398-8af4-4e97-b147-6c6c4ac95353</a><br><br>Make sure all the info in your account settings are the same.
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Thanks for the link. &nbsp;I've had a look and can't see anything obvious which would be causing the problem. &nbsp;We have been following the instruction on how to configure the Outlook client here: &nbsp;<a href="https://docs.opalstack.com/user-guide/email/#sender-address-requirements" rel="ugc">https://docs.opalstack.com/user-guide/email/#sender-address-requirements</a><br><br><br>
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<p>Hi one of my users is trying to add a connection to a remote (external) mailbox to Outlook using IMAP. &nbsp;They are getting the following error:</p><p><br></p><p><em>Log onto incoming mail server (IMAP): &nbsp;The connection to the server failed</em></p><p><em>Send test email message: &nbsp;Outlook cannot connect to your outgoing (SMTP) email server. &nbsp;If you continue to receive this message your server administrator or internet service provider.</em></p><p><br></p><p>I'm not sure whether there is anything we need to do on our side to get this working. &nbsp;The users mailbox is in Office 365 and IMAP is enabled for the users mailbox.</p>
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Hi one of my users is trying to add a connection to a remote (external) mailbox to Outlook using IMAP.  They are getting the following error:
Log onto incoming mail server (IMAP):  The connection to the server failed
Send test email message:  Outlook cannot connect to your outgoing (SMTP) email server.  If you continue to receive this message your server administrator or internet service provider.
I'm not sure whether there is anything we need to do on our side to get this working.  The users mailbox is in Office 365 and IMAP is enabled for the users mailbox.

Error adding imap account to Outlook

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

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.