see http://www.mail-archive.com/openssl-users@openssl.org/msg32453.html
or with exim: openssl s_client -state -starttls smtp -debug -connect smtp.privasphere.com:25 CONNECTED(00000003) read from 080B1378 [080ABFA8] (8192 bytes => 75 (0x4B)) 0000 - 32 32 30 20 70 72 69 73-63 69 6c 6c 61 2e 69 6e 220 priscilla.in 0010 - 74 65 72 77 61 79 2e 63-68 20 45 53 4d 54 50 20 terway.ch ESMTP 0020 - 45 78 69 6d 20 34 2e 34-33 20 57 65 64 2c 20 32 Exim 4.43 Wed, 2 0030 - 34 20 4e 6f 76 20 32 30-30 34 20 31 30 3a 35 38 4 Nov 2004 10:58 0040 - 3a 31 32 20 2b 30 31 30-30 0d 0a :12 +0100.. write to 080B1378 [BFFFEC50] (10 bytes => 10 (0xA)) 0000 - 53 54 41 52 54 54 4c 53-0d 0a STARTTLS.. read from 080B1378 [080A9FA0] (8192 bytes => 47 (0x2F)) 0000 - 35 30 33 20 53 54 41 52-54 54 4c 53 20 63 6f 6d 503 STARTTLS com 0010 - 6d 61 6e 64 20 75 73 65-64 20 77 68 65 6e 20 6e mand used when n 0020 - 6f 74 20 61 64 76 65 72-74 69 73 65 64 0d 0a ot advertised.. SSL_connect:before/connect initialization write to 080B1378 [080B13C0] (142 bytes => 142 (0x8E)) 0000 - 80 8c 01 03 01 00 63 00-00 00 20 00 00 39 00 00 ......c... ..9.. 0010 - 38 00 00 35 00 00 16 00-00 13 00 00 0a 07 00 c0 8..5............ 0020 - 00 00 33 00 00 32 00 00-2f 03 00 80 00 00 66 00 ..3..2../.....f. 0030 - 00 05 00 00 04 01 00 80-08 00 80 00 00 63 00 00 .............c.. 0040 - 62 00 00 61 00 00 15 00-00 12 00 00 09 06 00 40 b..a...........@ 0050 - 00 00 65 00 00 64 00 00-60 00 00 14 00 00 11 00 ..e..d..`....... 0060 - 00 08 00 00 06 04 00 80-00 00 03 02 00 80 bc a3 ................ 0070 - d3 6f 0c 48 41 97 89 64-32 67 83 af 77 1c 07 ee .o.HA..d2g..w... 0080 - a2 f5 9f fd e2 e3 57 af-64 8d 15 57 16 38 ......W.d..W.8 SSL_connect:SSLv2/v3 write client hello A read from 080B1378 [080B6920] (7 bytes => 7 (0x7)) 0000 - 35 30 31 20 4e 55 4c 501 NUL SSL_connect:error in SSLv2/v3 read server hello A 27159:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:475: or also openssl s_client -state -starttls smtp -debug -connect mail.swissmail.org:25 CONNECTED(00000003) read from 080B1378 [080ABFA8] (8192 bytes => 82 (0x52)) 0000 - 32 32 30 20 6d 61 69 6c-2e 67 65 6e 65 72 61 6c 220 mail.general 0010 - 6d 61 69 6c 2e 63 6f 6d-20 53 4d 54 50 20 45 6d mail.com SMTP Em 0020 - 46 6f 53 20 31 2e 30 2c-20 28 43 29 20 31 39 39 FoS 1.0, (C) 199 0030 - 37 20 46 50 57 2f 68 70-77 20 28 68 74 74 70 3a 7 FPW/hpw (http: 0040 - 5c 77 77 77 2e 66 70 77-2e 63 68 29 20 72 65 61 \www.fpw.ch) rea 0050 - 64 79 dy write to 080B1378 [BFFFEC50] (10 bytes => 10 (0xA)) 0000 - 53 54 41 52 54 54 4c 53-0d 0a STARTTLS.. read from 080B1378 [080A9FA0] (8192 bytes => 2 (0x2)) 0000 - 0d 0a .. SSL_connect:before/connect initialization write to 080B1378 [080B13C0] (142 bytes => 142 (0x8E)) 0000 - 80 8c 01 03 01 00 63 00-00 00 20 00 00 39 00 00 ......c... ..9.. 0010 - 38 00 00 35 00 00 16 00-00 13 00 00 0a 07 00 c0 8..5............ 0020 - 00 00 33 00 00 32 00 00-2f 03 00 80 00 00 66 00 ..3..2../.....f. 0030 - 00 05 00 00 04 01 00 80-08 00 80 00 00 63 00 00 .............c.. 0040 - 62 00 00 61 00 00 15 00-00 12 00 00 09 06 00 40 b..a...........@ 0050 - 00 00 65 00 00 64 00 00-60 00 00 14 00 00 11 00 ..e..d..`....... 0060 - 00 08 00 00 06 04 00 80-00 00 03 02 00 80 3a 43 ..............:C 0070 - 98 59 4a 53 dc d0 f0 6f-a3 95 f6 ec 54 23 a1 de .YJS...o....T#.. 0080 - 63 b3 80 e9 b2 15 6e c9-bd 70 7d 27 d6 f2 c.....n..p}'.. SSL_connect:SSLv2/v3 write client hello A read from 080B1378 [080B6920] (7 bytes => 7 (0x7)) 0000 - 35 35 30 20 49 6c 6c 550 Ill ______________________________________________________________________ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
