The arrow should be read as "initiates" or "commands".
bb@mako:~$ telnet eelpout 25 Trying 128.227.141.35... Connected to eelpout.stat.ufl.edu. Escape character is '^]'. 220 eelpout.stat.ufl.edu ESMTP Postfix (Ubuntu) EHLO example.com 250-eelpout.stat.ufl.edu 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-XVERP 250 8BITMIME 250 DSN QUIT 221 2.0.0 Bye Connection closed by foreign host. bb@mako:~$
bb@mako:~$ telnet eelpout 25 Trying 128.227.141.35... Connected to eelpout.stat.ufl.edu. Escape character is '^]'. 220 eelpout.stat.ufl.edu ESMTP Postfix (Ubuntu) EHLO example.com 250-eelpout.stat.ufl.edu 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN MAIL FROM:<bb@stat.ufl.edu> 250 2.1.0 Ok RCPT TO:<bb@stat.ufl.edu> 250 2.1.5 Ok DATA 354 End data with <CR><LF>.<CR><LF> From: bb@stat.ufl.edu To: bb@stat.ufl.edu Subject: Test This is a test . 250 2.0.0 Ok: queued as CB8861721023 QUIT 221 2.0.0 Bye Connection closed by foreign host. bb@mako:~$
bb@mako:~$ openssl s_client -starttls smtp -connect eelpout:25 CONNECTED(00000003) depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=20:unable to get local issuer certificate verify return:1 depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=27:certificate not trusted verify return:1 depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=21:unable to verify the first certificate verify return:1 --- Certificate chain 0 s:/O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu i:/C=US/ST=Arizona/L=Scottsdale/O=GoDaddy.com, Inc./OU=http://certificates.godaddy.com/repository/CN=Go Daddy Secure Certification Authority/serialNumber=07969287 --- Server certificate -----BEGIN CERTIFICATE----- MIIFXTCCBEWgAwIBAgIHA/4qprdgWTANBgkqhkiG9w0BAQUFADCByjELMAkGA1UE BhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAY BgNVBAoTEUdvRGFkZHkuY29tLCBJbmMuMTMwMQYDVQQLEypodHRwOi8vY2VydGlm aWNhdGVzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkxMDAuBgNVBAMTJ0dvIERhZGR5 IFNlY3VyZSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTERMA8GA1UEBRMIMDc5Njky ODcwHhcNMTAwMzEwMjAyNDA4WhcNMTMwMzEwMjAyNDA4WjBVMRcwFQYDVQQKEw4q LnN0YXQudWZsLmVkdTEhMB8GA1UECxMYRG9tYWluIENvbnRyb2wgVmFsaWRhdGVk MRcwFQYDVQQDEw4qLnN0YXQudWZsLmVkdTCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBALeS0bCs7tRQCCXhlsHMcy+qQ/Xod0fDv1gunaujtRb/92MrcR+d uEIFiNYnh+03SNHXEJo0KZd/CUdj0UJH0jkddOMF+Sc7gjLGxHV+uoDALL15iaHZ qh0Ohz0jZwtNj+99ERjsb4TUD5jyKhkkNU/4XPxe1sDCE9Y2RtbuBF9jygMelRud 2J0/lJxgYynX0cPkj48iS6E6dSzm0fZ88bPhNH+MvojAc2e68lzouMIjVQOJJs17 ts32iDmGd+1NJwRT/DVtTGVJ/2jZ3V+1fpWMuLOdsO8F7eyucQLV9aBoOsNJkFcB EmcftncI6Iw8WvC34VSlteyj1THapKMF/IUCAwEAAaOCAbowggG2MA8GA1UdEwEB /wQFMAMBAQAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA4GA1UdDwEB /wQEAwIFoDAzBgNVHR8ELDAqMCigJqAkhiJodHRwOi8vY3JsLmdvZGFkZHkuY29t L2dkczEtMTUuY3JsMFMGA1UdIARMMEowSAYLYIZIAYb9bQEHFwEwOTA3BggrBgEF BQcCARYraHR0cDovL2NlcnRpZmljYXRlcy5nb2RhZGR5LmNvbS9yZXBvc2l0b3J5 LzCBgAYIKwYBBQUHAQEEdDByMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5nb2Rh ZGR5LmNvbS8wSgYIKwYBBQUHMAKGPmh0dHA6Ly9jZXJ0aWZpY2F0ZXMuZ29kYWRk eS5jb20vcmVwb3NpdG9yeS9nZF9pbnRlcm1lZGlhdGUuY3J0MB8GA1UdIwQYMBaA FP2sYTKTbEXW4u6FX5q653aZaMznMCcGA1UdEQQgMB6CDiouc3RhdC51ZmwuZWR1 ggxzdGF0LnVmbC5lZHUwHQYDVR0OBBYEFCIYovYYnq6P2GDa5BvSedWCs83SMA0G CSqGSIb3DQEBBQUAA4IBAQCgmi/TM9vn5AOsFIYYz6uMduZWYJLgX9H83US3i2Ei w85frHXWtWUroQ71q4zzLifU0GGTieHibdYgnQbakHBh/TIsrWPFck5HcxnSZmz7 USZRy66melfjHJqDyGoyVG8D1X/dnoa5fP9BvxxyCh/IYEt26Cn7kXRKNAgzqczk n9QLNWG4SnKddpGZNypn8fFDHNc3HzUVIxhhiU6W8f5obAN/7pe8PQq7oXMt+UCk vL7/ZJt4wG5sJNdmn31UFu8ltYRTZCQoF0MjIFR1CcKARdFVcAAsnBj+3KZauzbP TybEmUTx3tn8V6OrRGKlXtYDQSfFjtUU3OtTwUz0FYO0 -----END CERTIFICATE----- subject=/O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu issuer=/C=US/ST=Arizona/L=Scottsdale/O=GoDaddy.com, Inc./OU=http://certificates.godaddy.com/repository/CN=Go Daddy Secure Certification Authority/serialNumber=07969287 --- No client certificate CA names sent --- SSL handshake has read 2335 bytes and written 354 bytes --- New, TLSv1/SSLv3, Cipher is DHE-RSA-AES256-SHA Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE SSL-Session: Protocol : TLSv1 Cipher : DHE-RSA-AES256-SHA Session-ID: 3A318D15576F121211729E0C55C4AC72DC03DE015C633BF9E8A7295571121ACE Session-ID-ctx: Master-Key: 90E08DFBFFA184612552C316AFF01A8E7347BBC3EDAF0F159CE1439F1E208CAF7C49C8F34C0E0A6E3C57655C01CE99E3 Key-Arg : None Start Time: 1302897745 Timeout : 300 (sec) Verify return code: 21 (unable to verify the first certificate) --- 250 DSN EHLO example.com 250-eelpout.stat.ufl.edu 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN QUIT DONE bb@mako:~$
bb@mako:~$ openssl s_client -starttls smtp -connect eelpout:587 CONNECTED(00000003) depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=20:unable to get local issuer certificate verify return:1 depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=27:certificate not trusted verify return:1 depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=21:unable to verify the first certificate verify return:1 --- Certificate chain 0 s:/O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu i:/C=US/ST=Arizona/L=Scottsdale/O=GoDaddy.com, Inc./OU=http://certificates.godaddy.com/repository/CN=Go Daddy Secure Certification Authority/serialNumber=07969287 --- Server certificate -----BEGIN CERTIFICATE----- MIIFXTCCBEWgAwIBAgIHA/4qprdgWTANBgkqhkiG9w0BAQUFADCByjELMAkGA1UE BhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAY BgNVBAoTEUdvRGFkZHkuY29tLCBJbmMuMTMwMQYDVQQLEypodHRwOi8vY2VydGlm aWNhdGVzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkxMDAuBgNVBAMTJ0dvIERhZGR5 IFNlY3VyZSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTERMA8GA1UEBRMIMDc5Njky ODcwHhcNMTAwMzEwMjAyNDA4WhcNMTMwMzEwMjAyNDA4WjBVMRcwFQYDVQQKEw4q LnN0YXQudWZsLmVkdTEhMB8GA1UECxMYRG9tYWluIENvbnRyb2wgVmFsaWRhdGVk MRcwFQYDVQQDEw4qLnN0YXQudWZsLmVkdTCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBALeS0bCs7tRQCCXhlsHMcy+qQ/Xod0fDv1gunaujtRb/92MrcR+d uEIFiNYnh+03SNHXEJo0KZd/CUdj0UJH0jkddOMF+Sc7gjLGxHV+uoDALL15iaHZ qh0Ohz0jZwtNj+99ERjsb4TUD5jyKhkkNU/4XPxe1sDCE9Y2RtbuBF9jygMelRud 2J0/lJxgYynX0cPkj48iS6E6dSzm0fZ88bPhNH+MvojAc2e68lzouMIjVQOJJs17 ts32iDmGd+1NJwRT/DVtTGVJ/2jZ3V+1fpWMuLOdsO8F7eyucQLV9aBoOsNJkFcB EmcftncI6Iw8WvC34VSlteyj1THapKMF/IUCAwEAAaOCAbowggG2MA8GA1UdEwEB /wQFMAMBAQAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA4GA1UdDwEB /wQEAwIFoDAzBgNVHR8ELDAqMCigJqAkhiJodHRwOi8vY3JsLmdvZGFkZHkuY29t L2dkczEtMTUuY3JsMFMGA1UdIARMMEowSAYLYIZIAYb9bQEHFwEwOTA3BggrBgEF BQcCARYraHR0cDovL2NlcnRpZmljYXRlcy5nb2RhZGR5LmNvbS9yZXBvc2l0b3J5 LzCBgAYIKwYBBQUHAQEEdDByMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5nb2Rh ZGR5LmNvbS8wSgYIKwYBBQUHMAKGPmh0dHA6Ly9jZXJ0aWZpY2F0ZXMuZ29kYWRk eS5jb20vcmVwb3NpdG9yeS9nZF9pbnRlcm1lZGlhdGUuY3J0MB8GA1UdIwQYMBaA FP2sYTKTbEXW4u6FX5q653aZaMznMCcGA1UdEQQgMB6CDiouc3RhdC51ZmwuZWR1 ggxzdGF0LnVmbC5lZHUwHQYDVR0OBBYEFCIYovYYnq6P2GDa5BvSedWCs83SMA0G CSqGSIb3DQEBBQUAA4IBAQCgmi/TM9vn5AOsFIYYz6uMduZWYJLgX9H83US3i2Ei w85frHXWtWUroQ71q4zzLifU0GGTieHibdYgnQbakHBh/TIsrWPFck5HcxnSZmz7 USZRy66melfjHJqDyGoyVG8D1X/dnoa5fP9BvxxyCh/IYEt26Cn7kXRKNAgzqczk n9QLNWG4SnKddpGZNypn8fFDHNc3HzUVIxhhiU6W8f5obAN/7pe8PQq7oXMt+UCk vL7/ZJt4wG5sJNdmn31UFu8ltYRTZCQoF0MjIFR1CcKARdFVcAAsnBj+3KZauzbP TybEmUTx3tn8V6OrRGKlXtYDQSfFjtUU3OtTwUz0FYO0 -----END CERTIFICATE----- subject=/O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu issuer=/C=US/ST=Arizona/L=Scottsdale/O=GoDaddy.com, Inc./OU=http://certificates.godaddy.com/repository/CN=Go Daddy Secure Certification Authority/serialNumber=07969287 --- No client certificate CA names sent --- SSL handshake has read 2291 bytes and written 354 bytes --- New, TLSv1/SSLv3, Cipher is DHE-RSA-AES256-SHA Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE SSL-Session: Protocol : TLSv1 Cipher : DHE-RSA-AES256-SHA Session-ID: 4823B2D3F632E403C07DFD9335FEC4406C1D61B0486E2735C6364DCA1F6EDD9D Session-ID-ctx: Master-Key: 25718A46A0E4CE0387431155388A34EA980BDCBDDEB8DA1AFCEA773C19F59E9629CD95FC18F44D73F6ED490085E324FA Key-Arg : None Start Time: 1302898186 Timeout : 300 (sec) Verify return code: 21 (unable to verify the first certificate) --- 250 DSN EHLO example.com 250-eelpout.stat.ufl.edu 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN QUIT DONE bb@mako:~$
bb@mako:~$ openssl s_client -connect eelpout:465 CONNECTED(00000003) depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=20:unable to get local issuer certificate verify return:1 depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=27:certificate not trusted verify return:1 depth=0 /O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu verify error:num=21:unable to verify the first certificate verify return:1 --- Certificate chain 0 s:/O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu i:/C=US/ST=Arizona/L=Scottsdale/O=GoDaddy.com, Inc./OU=http://certificates.godaddy.com/repository/CN=Go Daddy Secure Certification Authority/serialNumber=07969287 --- Server certificate -----BEGIN CERTIFICATE----- MIIFXTCCBEWgAwIBAgIHA/4qprdgWTANBgkqhkiG9w0BAQUFADCByjELMAkGA1UE BhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAY BgNVBAoTEUdvRGFkZHkuY29tLCBJbmMuMTMwMQYDVQQLEypodHRwOi8vY2VydGlm aWNhdGVzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkxMDAuBgNVBAMTJ0dvIERhZGR5 IFNlY3VyZSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTERMA8GA1UEBRMIMDc5Njky ODcwHhcNMTAwMzEwMjAyNDA4WhcNMTMwMzEwMjAyNDA4WjBVMRcwFQYDVQQKEw4q LnN0YXQudWZsLmVkdTEhMB8GA1UECxMYRG9tYWluIENvbnRyb2wgVmFsaWRhdGVk MRcwFQYDVQQDEw4qLnN0YXQudWZsLmVkdTCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBALeS0bCs7tRQCCXhlsHMcy+qQ/Xod0fDv1gunaujtRb/92MrcR+d uEIFiNYnh+03SNHXEJo0KZd/CUdj0UJH0jkddOMF+Sc7gjLGxHV+uoDALL15iaHZ qh0Ohz0jZwtNj+99ERjsb4TUD5jyKhkkNU/4XPxe1sDCE9Y2RtbuBF9jygMelRud 2J0/lJxgYynX0cPkj48iS6E6dSzm0fZ88bPhNH+MvojAc2e68lzouMIjVQOJJs17 ts32iDmGd+1NJwRT/DVtTGVJ/2jZ3V+1fpWMuLOdsO8F7eyucQLV9aBoOsNJkFcB EmcftncI6Iw8WvC34VSlteyj1THapKMF/IUCAwEAAaOCAbowggG2MA8GA1UdEwEB /wQFMAMBAQAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA4GA1UdDwEB /wQEAwIFoDAzBgNVHR8ELDAqMCigJqAkhiJodHRwOi8vY3JsLmdvZGFkZHkuY29t L2dkczEtMTUuY3JsMFMGA1UdIARMMEowSAYLYIZIAYb9bQEHFwEwOTA3BggrBgEF BQcCARYraHR0cDovL2NlcnRpZmljYXRlcy5nb2RhZGR5LmNvbS9yZXBvc2l0b3J5 LzCBgAYIKwYBBQUHAQEEdDByMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5nb2Rh ZGR5LmNvbS8wSgYIKwYBBQUHMAKGPmh0dHA6Ly9jZXJ0aWZpY2F0ZXMuZ29kYWRk eS5jb20vcmVwb3NpdG9yeS9nZF9pbnRlcm1lZGlhdGUuY3J0MB8GA1UdIwQYMBaA FP2sYTKTbEXW4u6FX5q653aZaMznMCcGA1UdEQQgMB6CDiouc3RhdC51ZmwuZWR1 ggxzdGF0LnVmbC5lZHUwHQYDVR0OBBYEFCIYovYYnq6P2GDa5BvSedWCs83SMA0G CSqGSIb3DQEBBQUAA4IBAQCgmi/TM9vn5AOsFIYYz6uMduZWYJLgX9H83US3i2Ei w85frHXWtWUroQ71q4zzLifU0GGTieHibdYgnQbakHBh/TIsrWPFck5HcxnSZmz7 USZRy66melfjHJqDyGoyVG8D1X/dnoa5fP9BvxxyCh/IYEt26Cn7kXRKNAgzqczk n9QLNWG4SnKddpGZNypn8fFDHNc3HzUVIxhhiU6W8f5obAN/7pe8PQq7oXMt+UCk vL7/ZJt4wG5sJNdmn31UFu8ltYRTZCQoF0MjIFR1CcKARdFVcAAsnBj+3KZauzbP TybEmUTx3tn8V6OrRGKlXtYDQSfFjtUU3OtTwUz0FYO0 -----END CERTIFICATE----- subject=/O=*.stat.ufl.edu/OU=Domain Control Validated/CN=*.stat.ufl.edu issuer=/C=US/ST=Arizona/L=Scottsdale/O=GoDaddy.com, Inc./OU=http://certificates.godaddy.com/repository/CN=Go Daddy Secure Certification Authority/serialNumber=07969287 --- No client certificate CA names sent --- SSL handshake has read 2069 bytes and written 319 bytes --- New, TLSv1/SSLv3, Cipher is DHE-RSA-AES256-SHA Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE SSL-Session: Protocol : TLSv1 Cipher : DHE-RSA-AES256-SHA Session-ID: 83B494BB06801783647E4D53E8330CA686BD985906A9CEB6C369E3E69C5E8C7D Session-ID-ctx: Master-Key: BF4EB827F885BFF297B74F93BE4FE245460BB2E3422E83A843259B868415489EE6EECCA2228BDF7E1B0C08F69271A3D6 Key-Arg : None Start Time: 1302898398 Timeout : 300 (sec) Verify return code: 21 (unable to verify the first certificate) --- 220 eelpout.stat.ufl.edu ESMTP Postfix (Ubuntu) EHLO example.com 250-eelpout.stat.ufl.edu 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN QUIT DONE bb@mako:~$
bb@mako:~$ printf 'bb\0bb\0mypassword' | mimencode YmIAYmIAbXlwYXNzd29yZA==
bb@mako:~$ openssl s_client -connect eelpout:465 CONNECTED(00000003) [...] --- 220 eelpout.stat.ufl.edu ESMTP Postfix (Ubuntu) EHLO example.com 250-eelpout.stat.ufl.edu 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN AUTH PLAIN YmIAYmIAbXlwYXNzd29yZA== 235 2.7.0 Authentication successful QUIT DONE bb@mako:~$
bb@mako:~$ telnet eelpout 110 Trying 128.227.141.35... telnet: Unable to connect to remote host: Connection refused bb@mako:~$
bb@mako:~$ telnet eelpout 143 Trying 128.227.141.35... telnet: Unable to connect to remote host: Connection refused bb@mako:~$
bb@mako:~$ openssl s_client -connect eelpout:993 CONNECTED(00000003) [...] * OK [CAPABILITY IMAP4rev1 SASL-IR SORT THREAD=REFERENCES MULTIAPPEND UNSELECT LITERAL+ IDLE CHILDREN NAMESPACE LOGIN-REFERRALS AUTH=PLAIN] Dovecot ready. 1 login bb mypassword 1 OK Logged in. 1 logout * BYE Logging out 1 OK Logout completed. read:errno=0 bb@mako:~$
