$./a.out smtp.gmail.com 25 220 mx.google.com ESMTP 9sm2923369yxf.23 250 mx.google.com at your service 220 2.0.0 Ready to start TLS after handshake Common Name: smtp.gmail.com after get cert dn -----BEGIN SSL SESSION PARAMETERS----- d4f65cac7d180d5b17d3f6334cf60bcaee84cea782dc39be68e9224d06ec9b86 -----END SSL SESSION PARAMETERS----- CIPHER is RC4-MD5 EHLO 250-mx.google.com at your service, [61.11.23.15] 250-SIZE 35651584 250-8BITMIME 250-AUTH LOGIN PLAIN 250-ENHANCEDSTATUSCODES 250 PIPELINING MAIL FROM:<root@stripe> 502 5.5.1 Unrecognized command. 9sm2923369yxf.23 Above program just connect to smtp.gmail.com@25 and send 1) HELO 2) STARTTLS .. After succ handshake we need to send EHELO again. I have sent EHELO but after that whne I semt MAIL FROM it give me unrecognized command why? -- This message was sent on behalf of darshan.ghumare@xxxxxxxxx at openSubscriber.com http://www.opensubscriber.com/messages/linux-c-programming@xxxxxxxxxxxxxxx/topic.html -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
