leer un mensaje de correo con openssl y pop3 de gmail‏

openssl s_client -connect pop.gmail.com:995

+OK Gpop ready for requests from 188.76.24.112 p6pf35720326wiy.15
user mi_USUARIO_sin_codificar
+OK send PASS
pass mi_CLAVE_usuario_sin_codificar
+OK Welcome.
list
+OK 31 messages (722285 bytes)
1 3368
2 2785
3 3055
4 12792
5 2999
...
29 2651
30 2323
31 2236
stat
+OK 31 722285
retr 1
+OK message follows
MIME-Version: 1.0
Received: by 10.58.102.132; Wed, 13 Jan 2014 01:52:47 -0700 (PDT)
Date: Wed, 19 Sep 2012 01:52:47 -0700
Message-ID: <CAEXcCmPr0woS+sEemM2WnhzvxC2-LA881BNyHi_6hKEiK2FyWA@mail.gmail.com>
Subject: =?ISO-8859-1?Q?Importa_tus_contactos_y_el_correo_electr=F3nico_anter?=
    =?ISO-8859-1?Q?ior=2E?=
From: El equipo de Gmail <mail-noreply@google.com>
To:
...
quit
+OK Farewell.
read:errno=0