# openssl s_client -ign_eof -connect smtp.mail.ru:465
CONNECTED(00000003)
depth=2 /C=US/O=GeoTrust Inc./CN=GeoTrust Global CA
verify error:num=20:unable to get local issuer certificate
verify return:0
---
Certificate chain
 0 s:/C=RU/ST=RUSSIAN FEDERATION/L=Moscow/O=LLC Mail.ru/OU=IT/CN=*.mail.ru
   i:/C=US/O=GeoTrust Inc./CN=GeoTrust SSL CA - G2
 1 s:/C=US/O=GeoTrust Inc./CN=GeoTrust SSL CA - G2
   i:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA
 2 s:/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA
   i:/C=US/O=Equifax/OU=Equifax Secure Certificate Authority
---
Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=/C=RU/ST=RUSSIAN FEDERATION/L=Moscow/O=LLC Mail.ru/OU=IT/CN=*.mail.ru
issuer=/C=US/O=GeoTrust Inc./CN=GeoTrust SSL CA - G2
---
No client certificate CA names sent
---
SSL handshake has read 3972 bytes and written 319 bytes
---
New, TLSv1/SSLv3, Cipher is DHE-RSA-AES256-SHA
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
    Protocol  : TLSv1
    Cipher    : DHE-RSA-AES256-SHA
    Session-ID: CD8EBE734EECB6F5D75616B49E8D9AD00553CDC2533DB60620BB39D7B4C8611B
    Session-ID-ctx:
    Master-Key: CEE963D0CAB52336A3C2E02F9B36DC21BAE433A0A40F19CC67E2AD499BBE3D1849AB335A478AC76314720988ADA3DC61
    Key-Arg   : None
    Start Time: 1438689894
    Timeout   : 300 (sec)
    Verify return code: 20 (unable to get local issuer certificate)
---
220 smtp24.mail.ru ESMTP ready
EHLO mail.ru
250-smtp24.mail.ru
250-SIZE 73400320
250-8BITMIME
250-PIPELINING
250 AUTH PLAIN LOGIN XOAUTH2
AUTH LOGIN
334 VXNlcm5hbWU6
cmVtb250bmlrLmJ6QG1haWwucnU=
334 UGFzc3dvcmQ6
YWxpc2ExMDA=
235 Authentication succeeded
MAIL FROM:remontnik.bz@mail.ru
250 OK
RCPT TO:soldatoff.alex@gmail.com
250 Accepted
DATA
354 Enter message, ending with "." on a line by itself
test test.
Subject:test
Hello this is test
.
250 OK id=1ZMazN-0006wK-1u