Try to enter the transition name in the mail body. So when you have a [Close] button on you issue action bar, just send the word close.
This might work. I think I have seen this before. Obviously this will not work when there is no valid transition for status A to status B.
Hello Community! We’re excited to announce that Mindville Insight’s asset and configuration management capabilities will now be integrated into Jira Service Management Premium and Enterprise plan...
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