E-Mail versenden mit Telnet.
- E-Mail versenden mittels Telnet ohne Authentifizierung
root@old:~# telnet mail.bismut.at 25 Trying 80.66.63.90... Connected to mail.bismut.at. Escape character is '^]'. 220 admin.vipweb.at ESMTP helo hugo.at 250 admin.vipweb.at mail from: hugo@kerzenstaender.at 250 ok rcpt to: thomas@dorn.at 250 ok data 354 go ahead go on! . 250 ok 1335944853 qp 22784 quit 221 admin.vipweb.at Connection closed by foreign host.
- E-Mail versenden mittels Telnet mit Authentifizierung (plain text)
root@old:~# telnet mail.bismut.at 25 Trying 80.66.63.90... Connected to mail.bismut.at. Escape character is '^]'. 220 admin.vipweb.at ESMTP helo hugo.at 250 admin.vipweb.at auth plain AG9mZmljZUBiaXNtdXQxxXQAb2IhMjAxM3== 235 go ahead mail from: hugo@kerzenstaender.at 250 ok rcpt to: thomas@dorn.at 250 ok data 354 go ahead go on! . 250 ok 1335944853 qp 22784 quit 221 admin.vipweb.at Connection closed by foreign host.
- E-Mail versenden mittels Telnet mit Authentifizierung (TLS)
openssl s_client -starttls smtp -crlf -connect admin.vipweb.at:25 CONNECTED(00000003) depth=0 /C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.com verify error:num=18:self signed certificate verify return:1 depth=0 /C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.com verify return:1 --- Certificate chain 0 s:/C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.com i:/C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.com --- Server certificate -----BEGIN CERTIFICATE----- MIIDszCCApsCBE+C/E0wDQYJKoZIhvcNAQEFBQAwgZ0xCzAJBgNVBAYTAlVTMREw DwYDVQQIEwhWaXJnaW5pYTEQMA4GA1UEBxMHSGVybmRvbjESMBAGA1UEChMJUGFy YWxsZWxzMRgwFgYDVQQLEw9QYXJhbGxlbHMgUGFuZWwxGDAWBgNVBAMTD1BhcmFs bGVscyBQYW5lbDEhMB8GCSqGSIb3DQEJARYSaW5mb0BwYXJhbGxlbHMuY29tMB4X DTEyMDQwOTE1MTIxM1oXDTEzMDQwOTE1MTIxM1owgZ0xCzAJBgNVBAYTAlVTMREw DwYDVQQIEwhWaXJnaW5pYTEQMA4GA1UEBxMHSGVybmRvbjESMBAGA1UEChMJUGFy YWxsZWxzMRgwFgYDVQQLEw9QYXJhbGxlbHMgUGFuZWwxGDAWBgNVBAMTD1BhcmFs bGVscyBQYW5lbDEhMB8GCSqGSIb3DQEJARYSaW5mb0BwYXJhbGxlbHMuY29tMIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw9ukWBG2Xqo4dNeUe3hERVUe nH1D9ZMgx/jaIfl/xMCkuBBOTQwbvArc+WLaXpi9W3Iq+nt+NGSH1geegjTP6YLu 6d9k8TPo8Bop7oV24+PlgMl1unLf3J960drNfH7XgnuGTRYvoDxAU7jep7YhwM7e Zeqw2QQdnTcJIitnS7Eyum6EFlmbjHyLxG/bQh4vP2xZQKMDP3IL5/TSRPVgI9FS rSXy8BFTAiWWAeVbGF1rAN3to1jXf+PWwbsAO0a7pib3vvmQCWvijEkuCSRjtjWw musDYH0tfH1k7qMMQXDu4F6il5hJE2mRT0ZuHzR58ezi09Q8Xh+zojSresq+qQID AQABMA0GCSqGSIb3DQEBBQUAA4IBAQAIUA4eVzlcpZMk8KUG0fdNw3xEWJroT+GX ieBUHTYaejlw3/j4w2q+im2o1XyQwKXtj9Fdi6scw6L6Gmhhl3/lr6aUEGqamgKT tP1hooD3m1fUIqZVKuN7gXWGDKYSQHh8eN3v340oOfMoE3+1YXIDuN2SonfA5eZG Qt4TeODby/pXuISVVfdT2GT+heLWZheh+c8x8gZc14lfBHCqNYCfepAmQ0xu+pyr Y8fmsooyU4+qnTe6lV00o3ZxQlCqcaNZ6lQnPbw1ZLM99v2VECh6XLKHpJ1GK/qG aiRzvp7oZ0Gd6fK7OVNxngrp4MwUYk9WVmatse3qhoJB+94/bpku -----END CERTIFICATE----- subject=/C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.com issuer=/C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.com --- No client certificate CA names sent --- SSL handshake has read 1823 bytes and written 354 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: EFF8466CDFF2EF6319118EF99DDA02AE5F6D334325C2459B7A2192E2947AEEBA Session-ID-ctx: Master-Key: 484DA6517C06C020583AF05DC181D4E2ADDC0D7AC079F4254C9036C858B8B51C83B508A6D72FEF29DEA7B7220372CD3E Key-Arg : None Start Time: 1335944453 Timeout : 300 (sec) Verify return code: 18 (self signed certificate) --- 250 8BITMIME helo dorn.at 250 admin.vipweb.at auth plain AG9mZmljZUBiaXssdXresAb2IhMjAxMr== 235 go ahead mail from: thomas@dorn.at 250 ok rcpt to: thomas@dorn.at 250 ok data 354 go ahead tralalala . 250 ok 1335944549 qp 21977 quit 221 admin.vipweb.at closed - Erstellung eines Login/Passwort Paares Base 64 codiert
perl -MMIME::Base64 -e 'print encode_base64("\000user\@domain.tld\000meinpasswort")'