Send E-Mail Through ESP8266 with SDK version - ESP8266 NONOS SDK V2.2.0

[zafarpatel7]

Hello All
i m new in ESP8266

and i want to know send Email from ESP8266, i am try some this in my level is as below, please correct me where i am wrong -

AT+CIPMUX=1
OK

AT+CIPSERVER=1,88
OK

AT+CIPSTART=1,"TCP","smtp.gmail.com",587
1,CONNECT
OK
+IPD,1,54:220 smtp.gmail.com ESMTP w88sm12245849pfa.50 - gsmtp

AT+CIPSEND=1,21
OK
>EHLO 192.168.1.103
Recv 21 bytes
SEND OK
+IPD,1,167:250-smtp.gmail.com at your service, [49.35.39.10]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8

AT+CIPSEND=1,10
OK
> STARTTLS
Recv 10 bytes
SEND OK
+IPD,1,61:502 5.5.1 Unrecognized command. w88sm12245849pfa.50 - gsmtp

AT+CIPSEND=1,6
OK
> EHLO
Recv 6 bytes
SEND OK
+IPD,1,149:501-5.5.4 Empty HELO/EHLO argument not allowed, closing connection.
501 5.5.4 https://support.google.com/mail/?p=helo w88sm12245849pfa.50 - gsmtp
1,CLOSED

[Her Majesty]

There is a simple example of sending http packet https://bbs.espressif.com/viewtopic.php?f=61&t=560.
I think that maybe you can send an email by your PC and capture the packets, then try to send the same data you captured through AT commands.