Last updated on March 30th, 2023 at 05:07 pm
Telnet to test your SMTP server
Just open up an elevated command prompt then enter these commands in turn:
telnet yourmaildomainname 25
This should then connect to your domain and you will see a message like this:
Then run this command:
This should then give you a 250 response:
Then run this command for your sender address:
mail from: [email protected]
This should give you a 250 OK response:
Then run this command for the recipiant of the email:
rcpt to: [email protected]
Then type data and hit the Enter key. If this has worked, you should get a response with a 250 2.6.0 in there and an email address.
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