From: =?ISO-8859-1?Q?Keld_J=F8rn_Simonsen?= <keld@dkuug.dk>
To: Nobody in Particular <a.person@example.com>
Subject: =?ISO-8859-1?B?SWYgeW91IGNhbiByZWFkIHRoaXMgeW8=?=
 =?ISO-8859-2?B?dSB1bmRlcnN0YW5kIHRoZSBleGFtcGxlLg==?=
MIME-Version: 1.0
Content-type: text/plain
Content-transfer-encoding: 7bit

Examples taken from RFC 2047.