SMTP test
From Noah.org
This shows how to do basic sanity test of a POP3 server. See also IMAP_test, POP3_test, and Sendmail_to_send_mail.
Basic four steps in the communication:
- HELO
- MAIL FROM:
- RCPT TO:
- DATA
lelnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 noah-kubuntu Python SMTP proxy version 0.2 HELO noah.org 250 noah-kubuntu MAIL FROM:noah@noah.org 250 Ok RCPT TO:noah@noah.org 250 Ok DATA 354 End data with <CR><LF>.<CR><LF> Subject: test mail Hello, this is a test. . 250 Ok: queued as 12345 QUIT 221 mail.noah.org Connection closed by foreign host.