That's what he's using MIME::Words for -- ASCII-armouring UTF-8 using either Q or B. As this armour contains the encoding name, headers of a MIME mail could be in any encoding not even similar to what it specified in Content-Type: header. Content-Type is for bodies (and parts thereof).
--kap

In reply to Re^2: Sending UTF-8 e-mail by kappa
in thread Sending UTF-8 e-mail by angus_w_chan

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