How to test the SMTP server in Windows

Step -1: Run the PowerShell application as an Administrator privilege.

Step -2: Run the below command

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telnet localhost 25

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Step -3: By running the below command to Start the communication with the server.

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EHLO server

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Step -4: Enter the email address you wish to send an email. The syntax as below.

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MAIL FROM: [sender_email_address@domain.com]

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Step -5: Enter the recipient email address as below.

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RCPT TO: [recipient_email_address@domain.com]

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Step -6: Inform the SMTP Server you are ready to send the message by entering the below command

DATA

Step -7: Enter the email subject

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Subject: Test Message

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Step -8: Press Enter twice and type in the message body and press Enter.

Step -9: Send the email by entering (.) and press Enter.