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MI_IS1's avatar
MI_IS1
Brass Contributor
Apr 01, 2025
Solved

Classic Outlook Stopped Sending Email from the Proper Mailbox

On Prem Exchange 2019, Windows 11, Office 365 for Business, Classic Outlook. User has 3 mailboxes, and would click on a mailbox to create/reply inside that mailbox, and the email would send using that email account. Now it's defaulting to the main email account. This is a terrible bug, and a show stopper. 

  • MI_IS1's avatar
    MI_IS1
    Apr 07, 2025

    Thanks but an add in for normal functionality is not an answer. I ended up uninstalling and reinstalling and it started working fine. 

    Every time they try to shove New into the place of Classic, we end up having to reinstall. That's fine. There's only a couple more feature that Thunderbird needs to be a complete replacement, and then I don't even have to care what they do with Outlook. 

2 Replies

    • MI_IS1's avatar
      MI_IS1
      Brass Contributor

      Thanks but an add in for normal functionality is not an answer. I ended up uninstalling and reinstalling and it started working fine. 

      Every time they try to shove New into the place of Classic, we end up having to reinstall. That's fine. There's only a couple more feature that Thunderbird needs to be a complete replacement, and then I don't even have to care what they do with Outlook. 

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