2
Content-Type: message/rfc822
3
Subject: the body is a base64 encode rfc822 message including another base64 encoded rfc822 message
4
Content-Transfer-Encoding: base64
6
TUlNRS1WZXJzaW9uOiAxLjANClN1YmplY3Q6IGEgc2ltcGxlIHJmYzgyMiBtZXNzYWdlIGVuY29k
7
ZWQgaW4gYSBiYXNlNjQgYm9keS4NCkNvbnRlbnQtVHlwZTogbWVzc2FnZS9yZmM4MjINCkNvbnRl
8
bnQtVHJhbnNmZXItRW5jb2Rpbmc6IGJhc2U2NA0KDQpRMjl1ZEdWdWRDMVVlWEJsT2lCMFpYaDBM
9
M0JzWVdsdU95QmphR0Z5YzJWMFBYVnpMV0Z6WTJscERRcERiMjUwWlc1MExWUnlZVzV6DQpabVZ5
10
TFVWdVkyOWthVzVuT2lBM1ltbDBEUW9OQ2xSbGVIUWdZbTlrZVFvTkNnPT0NCg==