I’ve been using this more and more and have finally memorized most (if not all) of it. But this is for those of us who don’t really like to remember useless information.<\/p>\n
Start -> Run -> CMD I’ve been using this more and more and have finally memorized most (if not all) of it. But this is for those of us who don’t really like to remember useless information. Start -> Run -> CMD telnet open mail.mailserver.tld 25 At this point the server should respond with a 220 mail.mailserver.tld ESMTP Mail Service. … Continue reading Test SMTP Using Telnet<\/span>
\ntelnet<\/code>
\nopen mail.mailserver.tld 25<\/code>
\nAt this point the server should respond with a 220 mail.mailserver.tld ESMTP Mail Service.
\nehlo test.com<\/code>
\nThe server then should respond with 250 mail.mailserver.tld along with all the supported features of the mail server
\nmail from:tester@test.com<\/code>
\n250 Sender OK
\nrcpt to: admin@test.com<\/code>
\nAt this point, the server should say 554 Relay access denied. This means your server is not an open relay.
\nrcpt to: actualemailaddress@mailserver.tld<\/code>
\n250 Recipient OK
\ndata<\/code>
\n354 Start Mail input; end with CRLF.CRLF
\nsubject: subjecthere<\/code>
\nYou’ll have to hit enter twice after the subject, then go on and type the body.
\nbody here.<\/code>
\nNote the . at the end – you’ll have to type a return and another . to finish.
\nThen there should be a server response 250 Queued mail for delivery. You can quit now.
\nquit<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"