Issue

The JSM Mail Handler create duplicate tickets indefinitely from the same email when using MS Graph API as the protocol.

Environment

Replicable on any Jira Service Management (JSM) version that supports MS graph API (from 5.8.0).

Steps to replicate

1. Configure an outgoing link with Azure following the instructions from this page, and using the scopes for the Microsoft Graph API protocol
   
2. Configure a JSM Channel in a JSM project by following instructions from
   this page
   
   • Make sure to select the Outgoing Link as the authentication method, and MS Graph API as the protocol

Expected results

Only 1 JSM ticket per email should be created in the project.

Observed results

• JSM keeps creating indefinite tickets from the same email
  
• The emails fetched by the JSM Mail Handler are not marked as READ