--77b0aff9f12f81ac038ab09709cdcb13
Content-Disposition: form-data; name="from";

"João" <from@email.com>
--77b0aff9f12f81ac038ab09709cdcb13
Content-Disposition: form-data; name="subject";

Subject in 中国 and русский and português
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Content-Disposition: form-data; name="html";

<h1>Title</h1>Body
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Content-Disposition: form-data; name="text";

# Title

Body
--77b0aff9f12f81ac038ab09709cdcb13
Content-Disposition: form-data; name="to";

"John" <to@email.com>
--77b0aff9f12f81ac038ab09709cdcb13
Content-Disposition: form-data; name="h:Reply-To";

"João" <from@email.com>
--77b0aff9f12f81ac038ab09709cdcb13--