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Date:
Sun Oct 2 04:00:24 2022
UTC
Message:
Daily backup
11
2021-12-17
text=(:title Sending Mail with netcat:)%0a%0aHere's how to send a letter using [[netcat/usage|netcat]]:%0a%0a[@%0a$ nc example.com 25 %0a220 example.com ESMTP OpenSMTPD%0a@]%0a%0aNext, we type HELO followed by our sending domain:%0a%0a[@%0aHELO example.com%0a250 example.com Hello example.com [38.81.163.143], pleased to meet you%0a@]%0a%0aAfterwards, we type our sending mail address:%0a%0a[@%0aMAIL FROM: %3cfrom@example.com>%0a250 2.0.0 Ok%0a@]%0a%0aAnd the destination mail address:%0a%0a[@%0aRCPT TO: %3cto@example.com>%0a250 2.1.5 Destination address valid: Recipient ok%0a@]%0a%0aThen we type DATA followed by our email:%0a%0a[@%0aDATA%0a354 Enter mail, end with "." on a line by itself%0aSubject: Alpha Bravo Charlie Delta%0a%0aEcho Foxtrot Golf Hotel%0a@]%0a%0aWe then type . to end the email, then QUIT:%0a%0a[@%0a.%0a250 2.0.0 e57f9a36 Message accepted for delivery%0aQUIT%0a221 2.0.0 Bye%0a@]%0a%0aHere's the complete process:%0a%0a[@%0a$ nc example.com 25 %0a220 example.com ESMTP OpenSMTPD%0aHELO example.com%0a250 example.com Hello example.com [38.81.163.143], pleased to meet you%0aMAIL FROM: %3cfrom@example.com>%0a250 2.0.0 Ok%0aRCPT TO: %3cto@example.com>%0a250 2.1.5 Destination address valid: Recipient ok%0aDATA%0a354 Enter mail, end with "." on a line by itself%0aSubject: Alpha Bravo Charlie Delta%0a%0aEcho Foxtrot Golf Hotel%0a.%0a250 2.0.0 e57f9a36 Message accepted for delivery%0aQUIT%0a221 2.0.0 Bye%0a@]%0a
15
2021-12-17
diff:1622800763:1622800763:=1,70d0%0a%3c (:title Sending Mail with netcat:)%0a%3c %0a%3c Here's how to send a letter using [[netcat/usage|netcat]]:%0a%3c %0a%3c [@%0a%3c $ nc example.com 25 %0a%3c 220 example.com ESMTP OpenSMTPD%0a%3c @]%0a%3c %0a%3c Next, we type HELO followed by our sending domain:%0a%3c %0a%3c [@%0a%3c HELO example.com%0a%3c 250 example.com Hello example.com [38.81.163.143], pleased to meet you%0a%3c @]%0a%3c %0a%3c Afterwards, we type our sending mail address:%0a%3c %0a%3c [@%0a%3c MAIL FROM: %3cfrom@example.com>%0a%3c 250 2.0.0 Ok%0a%3c @]%0a%3c %0a%3c And the destination mail address:%0a%3c %0a%3c [@%0a%3c RCPT TO: %3cto@example.com>%0a%3c 250 2.1.5 Destination address valid: Recipient ok%0a%3c @]%0a%3c %0a%3c Then we type DATA followed by our email:%0a%3c %0a%3c [@%0a%3c DATA%0a%3c 354 Enter mail, end with "." on a line by itself%0a%3c Subject: Alpha Bravo Charlie Delta%0a%3c %0a%3c Echo Foxtrot Golf Hotel%0a%3c @]%0a%3c %0a%3c We then type . to end the email, then QUIT:%0a%3c %0a%3c [@%0a%3c .%0a%3c 250 2.0.0 e57f9a36 Message accepted for delivery%0a%3c QUIT%0a%3c 221 2.0.0 Bye%0a%3c @]%0a%3c %0a%3c Here's the complete process:%0a%3c %0a%3c [@%0a%3c $ nc example.com 25 %0a%3c 220 example.com ESMTP OpenSMTPD%0a%3c HELO example.com%0a%3c 250 example.com Hello example.com [38.81.163.143], pleased to meet you%0a%3c MAIL FROM: %3cfrom@example.com>%0a%3c 250 2.0.0 Ok%0a%3c RCPT TO: %3cto@example.com>%0a%3c 250 2.1.5 Destination address valid: Recipient ok%0a%3c DATA%0a%3c 354 Enter mail, end with "." on a line by itself%0a%3c Subject: Alpha Bravo Charlie Delta%0a%3c %0a%3c Echo Foxtrot Golf Hotel%0a%3c .%0a%3c 250 2.0.0 e57f9a36 Message accepted for delivery%0a%3c QUIT%0a%3c 221 2.0.0 Bye%0a%3c @]%0a