SMTP: How to test SMTP with auth and without

Published by

Posted on July 06, 2008

Telnet server 25

helo or ehelo yourdomain.com

auth login

334 –

username using base64 encryption

334-

password using base64 encryption

mail from: hi@yourdomain.com

rcpt to: where@somewhere.com

data

From: from@yourdomain.com

to: where@somewhere.com

subject: test

body

enter, then enter ending with a .

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non auth , skip the auth login command

to encryt use the tool at http://tools.web-max.ca/encode_decode.php