Send email using TELNET and Sendmail protocols

Send Email Using Telnet 

Note : We use the domain mailserver.co.in as an example. Be sure to replace with your own domain.

• Open your command prompt.
• Now, connect with telnet using the following command:

telnet mailserver.co.in 25

• Type ehlo example.com. Some servers also accept helo in place of ehlo.

ehlo mailserver.co.in

• Type mail from: sender@mailserver.co.in:

mail from: sender@mailserver.co.in

• Type rcpt to: receiver@anydomain.com (replace with your actual recipient name):

rcpt to: receiver@anydomain.com

• To write the message - type data, followed by your subject and message. To end the message, put a period on a line by itself and press enter:

data

Subject: My Telnet Test Email

Hello,

This is an email sent by Minder server using the telnet command.

Your friend,

Me

.

Type quit to exit telnet.

Now you should receive Test email sender@mailserver.co.in to receiver@anydomain.com

Send Email Using Sendmail 

Note : We use the domain domain.co.in as an example. Be sure to replace with your own domain. (Use option -v or -vvv for verbose mode to check each events)

root@photon-machine [ ~ ]# sendmail receiver@domain.co.in
Subject: test email
hi this is test email

(Now press Control+D to send the message)

root@photon-machine [ ~ ]#

Send email by using To and From.

root@photon-machine [ ~ ]# sendmail receiver@domain.co.in
To: receiver@domain.co.in
From: from@domain.co.in
Subject: Test email from sendmail CLI console
Hi this is test email from sendmailCLI console please ignore

(Now press Control+D to send the message)

root@photon-machine [ ~ ]#