Then something in your code is bad, as ->parse_headers is documented to return a hashref in Mail::IMAPClient.

Are you sure you are using a valid message id?

Maybe you can show us a short but complete example of how you are using ->parse_headers and how you obtain the message id.

In reply to Re^5: read gmail and extract cc field by Corion
in thread read gmail and extract cc field by Anonymous Monk

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