1Content-Type: multipart/mixed; boundary="AAA"
2From: Mail Delivery Subsystem <[email protected]>
3To: [email protected]
4
5This is a MIME-encapsulated message
6
7--AAA
8
9Stuff
10
11--AAA
12Content-Type: message/rfc822
13
14From: [email protected]
15To: [email protected]
16Content-Type: multipart/mixed; boundary="BBB"
17
18--BBB--
19
20--AAA--
21