Subject: test
Content-Type: multipart/mixed;
 boundary="------------050001060707010906080502"

This is a multi-part message in MIME format.
--------------050001060707010906080502
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit

test



--------------050001060707010906080502
Content-Type: text/plain;
 name="=?ISO-2022-JP?B?GyRCJCIkJCQmJCgkKhsoQi50eHQ=?="
Content-Transfer-Encoding: base64
Content-Disposition: inline;
 filename*0*=ISO-2022-JP''%1B%24%42%24%22%24%24%24%26%24%28%24%2A%1B%28%42;
 filename*1*=%2E%74%78%74

gr2Cog0KgqANCg==
--------------050001060707010906080502--
.
