gistfile1.txt

hamcha at DESKTOP-KDSFCTO in /mnt/c/Users/Hamcha
$ nc -C localhost 26
220 localhost ESMTP meiru-SMTPd - Welcome!
MAIL FROM: <hamcha@crunchy.rocks>
503 Rude! 😠 Say HELO/EHLO first!
oops, sorry
502 Command not recognized 😕
EHLO crunchy.rocks
250-localhost Hello crunchy.rocks [127.0.0.1]! 😊
250-PIPELINING
250 SIZE 10485760
MAIL FROM: <hamcha@crunchy.rocks>
250 OK 👍
RCPT TO: <test@localhost>
250 OK 👍
DATA
354 Fire away! End with <CRLF>.<CRLF>
From: Hamcha <hamcha@crunchy.rocks>
To: Test <test@localhost>
Subject: Hello Wurld

It was typo
it was not

.
250 Your message is on its way! ✈️
QUIT
221 Have a nice day!  🎉