Windows 10: Windows Mail messages get stuck in outbox and creates multiple blank drafts.

I've been using Windows Mail for years now, and it's always worked fine. Then I upgrade to Windows 11, and now it's broken! As the title says, messages constantly get stuck in the outbox and multiple blank drafts are created for no reason. I've searched this problem on the forums and tried what they suggested to no avail. I have:Closed and reopened Mail.Gone into Mail settings and click Repair.Gone into Mail settings and click Reset.Uninstalled and reinstalled Mail.The only thing that works is going into Mail settings and clicking Terminate and reopening Mail. I used to only have to do this on

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Windows Mail - Messages Stuck in Outbox and Multiple Drafts Created

I am using Windows Mail which I vastly prefer to Outlook however on one of my accounts I am getting sent messages stuck in the Outbox and multiple blank drafts created. The account is through my business domain provider.

Restarting my computer allows the message to send but I have to manually delete 4-5 blank drafts when this happens.

Any ideas on this issue and what can be done?

Thanks

 

Mail stuck in outbox

Hi! I am using Microsoft Mail Version 16005.14326.20858.0 and my outgoing messages keep getting stuck in the Outbox and numerous blank draft message pile up. Any suggestions?

 

Unknown message stuck in Outlook 2016 outbox

The last two days I've noticed when I start Outlook (I have Office 365) it tries to send a message but fails and error code 0x800CCC0F is generated (see screen shots). If I send an e-mail, the e-mail is sent but whatever is stuck also tries to send. Not sure how to correct this. I've run scans with Malwarebytes and Windows Defender and nothing shows up.

Here are some screenshots.