It isn't clear from the documentation. Does email.message.get() care
about the case of the header it's getting?
I checking mailing list mails and the "List-Id:" header is a bit
'mixed', i.e. it can be List-Id:, or List-ID: or list-id:, will
email.message.get("List-Id:", "unknown") find all of them?
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Chris Green
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