Emails Carrying .msg file as attachment from Outlook, will be created without .msg file

Problem Definition

JIRA ServiceDesk mail handler has difficulties processing .msg files from Outlook. The attachment won't appear on tickets. Test with Gmail returns no issue and works as expected.

Steps to Reproduce

1. Create Email in Outlook
2. Attach .msg file
3. Send to JIRA ServiceDesk mail handler

Expected Result

Ticket should be created with .msg file attached

Actual Result

Ticket will be created without .msg file