Sending mail by Telnet and manually checking connection

Open Command prompt using CMD as administrator

Then Put in this command :

telnet server Name 25

Wait to be invited to next step (ehlo), then put in this command:

EHLO  Domai nanme

After output put in this command:

MAIL FROM: From email address

After output  ("Sender OK"), then put in this command:

RCPT TO: to email address

After output  ("Recipient OK"), then put in this command:

DATA

After output , then put in this command:

Subject: type message

After output , then put in a dot (".") and hit enter.

After output  and confirmation message, then put in this command:

Then 

QUIT