RFC821-简单邮件传输协议（SMTP）中文版 - 3
本文出自: 作者: (2001-11-23 09:08:00) 第二步：转发主机到目的主机 R: 220 BBN-VAX.ARPA Simple Mail Transfer Service Ready S: HELO USC-ISIE.ARPA R: 250 BBN-VAX.ARPA S: MAIL FROM:<@USC-ISIE.ARPA:JQP@MIT-AI.ARPA> R: 250 OK S: RCPT TO:<Jones@BBN-VAX.ARPA> R: 250 OK S: DATA R: 354 Start mail input; end with <CRLF>.<CRLF> S: Received: from MIT-AI.ARPA by USC-ISIE.ARPA ; 2 Nov 81 22:40:10 UT S: Date: 2 Nov 81 22:33:44 S: From: John Q. Public <JQP@MIT-AI.ARPA> S: Subject: The Next Meeting of the Board S: To: Jones@BBN-Vax.ARPA S: S: Bill: S: The next meeting of the board of directors will be S: on Tuesday. S: John. S: . R: 250 OK S: QUIT R: 221 USC-ISIE.ARPA Service closing transmission channel 确认和发送 R: 220 SU-SCORE.ARPA Simple Mail Transfer Service Ready S: HELO MIT-MC.ARPA R: 250 SU-SCORE.ARPA S: VRFY Crispin R: 250 Mark Crispin <Admin.MRC@SU-SCORE.ARPA> S: SEND FROM:<EAK@MIT-MC.ARPA> R: 250 OK S: RCPT TO:<Admin.MRC@SU-SCORE.ARPA> R: 250 OK S: DATA R: 354 Start mail input; end with <CRLF>.<CRLF> S: Blah blah blah... S: ...etc. etc. etc. S: . R: 250 OK S: QUIT R: 221 SU-SCORE.ARPA Service closing transmission channel 获得和发送邮件 首先确定用户名，然后尝试将邮件发送到用户终端， 当它失败时，发送到用户邮箱。 R: 220 SU-SCORE.ARPA Simple Mail Transfer Service Ready S: HELO MIT-MC.ARPA R: 250 SU-SCORE.ARPA S: VRFY Crispin R: 250 Mark Crispin <Admin.MRC@SU-SCORE.ARPA> S: SEND FROM:<EAK@MIT-MC.ARPA> R: 250 OK S: RCPT TO:<Admin.MRC@SU-SCORE.ARPA> R: 450 User not active now S: RSET R: 250 OK S: MAIL FROM:<EAK@MIT-MC.ARPA> R: 250 OK S: RCPT TO:<Admin.MRC@SU-SCORE.ARPA> R: 250 OK S: DATA R: 354 Start mail input; end with <CRLF>.<CRLF> S: Blah blah blah... S: ...etc. etc. etc. S: . R: 250 OK S: QUIT R: 221 SU-SCORE.ARPA Service closing transmission channel 上述问题的更有效的作法 R: 220 SU-SCORE.ARPA Simple Mail Transfer Service Ready S: HELO MIT-MC.ARPA R: 250 SU-SCORE.ARPA S: |
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