{"id":1743,"date":"2021-06-17T08:49:22","date_gmt":"2021-06-17T00:49:22","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=1743"},"modified":"2023-10-04T06:32:33","modified_gmt":"2023-10-03T22:32:33","slug":"telnet%e9%80%9a%e8%bf%87smtp%e5%92%8cpop3%e8%bf%9b%e8%a1%8c%e9%82%ae%e4%bb%b6%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=1743","title":{"rendered":"Telnet\u901a\u8fc7Smtp\u548cPop3\u8fdb\u884c\u90ae\u4ef6\u64cd\u4f5c"},"content":{"rendered":"

 <\/p>\n

 <\/p>\n

telnet mail.xxx.com 110 \/openwrt \u4f7f\u7528 \u201cnc mail.xxx.com 110″<\/p>\n

1\uff0c\u8fde\u63a5pop3\u670d\u52a1\u5668\uff1a<\/p>\n

\u952e\u5165\uff1atelnet pop3.sina.com.cn 110<\/p>\n

\u540e\u9762\u7684 110 \u8868\u793apop3\u670d\u52a1\u5668\u7684\u76d1\u542c\u7aef\u53e3<\/p>\n

2\uff0c\u8f93\u5165\u5e10\u6237\u540d\uff0csina\u7684\u9700\u8981\u8f93\u5165\u5b8c\u6574\u57df\u540d\uff1a<\/p>\n

\u952e\u5165\uff1auser studyjavamail@sina.com<\/p>\n

3\uff0c\u8f93\u5165\u5bc6\u7801\uff0c\u8fd9\u91cc\u6211\u7528\u7684\u90fd\u662f\u660e\u7801\uff0c\u800c\u6ca1\u6709\u7528MD5\u90a3\u4e2a\u547d\u4ee4\uff1a<\/p>\n

\u952e\u5165\uff1apass 234567<\/p>\n

4\uff0c\u67e5\u770b\u90ae\u7bb1\u4e2d\u6240\u6709\u90ae\u4ef6\u7684\u7edf\u8ba1\u4fe1\u606f\uff1a<\/p>\n

\u952e\u5165\uff1astat<\/p>\n

5\uff0c\u663e\u793a\u90ae\u4ef6\u5217\u8868\u4fe1\u606f\uff1a<\/p>\n

\u952e\u5165\uff1alist<\/p>\n

6\uff0c\u9009\u62e9\u4e00\u5c01\u90ae\u4ef6\u8fdb\u884c\u67e5\u770b\uff1a<\/p>\n

\u952e\u5165\uff1aretr 2<\/p>\n

7\uff0c\u5c06\u4e00\u5c01\u90ae\u4ef6\u8bbe\u7f6e\u5220\u9664\u6807\u8bb0\u540e\u518d\u67e5\u770b\u6240\u6709\u90ae\u4ef6\u5217\u8868\uff1a<\/p>\n

\u952e\u5165\uff1adele 2<\/p>\n

\u518d\u952e\u5165\uff1alist<\/p>\n

\u6b64\u65f6\u4f1a\u53d1\u73b0\u91cc\u9762\u786e\u5b9e\u5c11\u4e86\u5e8f\u53f7\u4e3a 2 \u7684\u90ae\u4ef6<\/p>\n

8\uff0c\u6062\u590d\u8bbe\u7f6e\u4e86\u5220\u9664\u6807\u8bb0\u7684\u90ae\u4ef6\u5728\u67e5\u770b\u6240\u6709\u90ae\u4ef6\u5217\u8868\uff1a<\/p>\n

\u952e\u5165\uff1arset<\/p>\n

\u518d\u952e\u5165\uff1alist<\/p>\n

\u6b64\u65f6\u4f1a\u53d1\u73b0\u5e8f\u53f7\u4e3a2 \u7684\u90ae\u4ef6\u53c8\u56de\u6765\u4e86<\/p>\n

9\uff0c\u65ad\u5f00\u8fde\u63a5<\/p>\n

\u952e\u5165\uff1aquit<\/p>\n

POP3 \u547d\u4ee4\u5305\u62ec\uff1a<\/h2>\n

USER username \u8ba4\u8bc1\u7528\u6237\u540d
\nPASS password \u8ba4\u8bc1\u5bc6\u7801\u8ba4\u8bc1\uff0c\u8ba4\u8bc1\u901a\u8fc7\u5219\u72b6\u6001\u8f6c\u6362
\nAPOP name,digest \u8ba4\u53ef\u4e00\u79cd\u5b89\u5168\u4f20\u8f93\u53e3\u4ee4\u7684\u529e\u6cd5\uff0c\u6267\u884c\u6210\u529f\u5bfc\u81f4\u72b6\u6001\u8f6c\u6362\uff0c\u8bf7\u53c2\u89c1 RFC 1321 \u3002
\nSTAT \u5904\u7406\u8bf7\u6c42 server \u56de\u9001\u90ae\u7bb1\u7edf\u8ba1\u8d44\u6599\uff0c\u5982\u90ae\u4ef6\u6570\u3001 \u90ae\u4ef6\u603b\u5b57\u8282\u6570
\nUIDL n \u5904\u7406 server \u8fd4\u56de\u7528\u4e8e\u8be5\u6307\u5b9a\u90ae\u4ef6\u7684\u552f\u4e00\u6807\u8bc6\uff0c \u5982\u679c\u6ca1\u6709\u6307\u5b9a\uff0c\u8fd4\u56de\u6240\u6709\u7684\u3002
\nLIST n \u5904\u7406 server \u8fd4\u56de\u6307\u5b9a\u90ae\u4ef6\u7684\u5927\u5c0f\u7b49
\nRETR n \u5904\u7406 server \u8fd4\u56de\u90ae\u4ef6\u7684\u5168\u90e8\u6587\u672c
\nDELE n \u5904\u7406 server \u6807\u8bb0\u5220\u9664\uff0cQUIT \u547d\u4ee4\u6267\u884c\u65f6\u624d\u771f\u6b63\u5220\u9664
\nRSET \u5904\u7406\u64a4\u6d88\u6240\u6709\u7684 DELE \u547d\u4ee4
\nTOP n,m \u5904\u7406 \u8fd4\u56de n \u53f7\u90ae\u4ef6\u7684\u524d m \u884c\u5185\u5bb9\uff0cm \u5fc5\u987b\u662f\u81ea\u7136\u6570
\nNOOP \u5904\u7406 server \u8fd4\u56de\u4e00\u4e2a\u80af\u5b9a\u7684\u54cd\u5e94
\nQUIT \u5e0c\u671b\u7ed3\u675f\u4f1a\u8bdd\u3002\u5982\u679c server \u5904\u4e8e”\u5904\u7406” \u72b6\u6001\uff0c\u5219\u73b0\u5728\u8fdb\u5165”\u66f4\u65b0”\u72b6\u6001\uff0c\u5220\u9664\u90a3\u4e9b\u6807\u8bb0\u6210\u5220\u9664\u7684\u90ae\u4ef6\u3002\u5982\u679c server \u5904\u4e8e”\u8ba4\u53ef”\u72b6\u6001\uff0c\u5219\u7ed3\u675f\u4f1a\u8bdd\u65f6 server \u4e0d\u8fdb\u5165”\u66f4\u65b0”\u72b6\u6001 \u3002<\/p>\n

\n

SMTP\u7684\u57fa\u672c\u547d\u4ee4<\/h2>\n

\u5206\u7c7b\uff1a<\/p>\n

SMTP\u5b9a\u4e49\u4e8614\u4e2a\u547d\u4ee4\uff0c\u5b83\u4eec\u662f\uff1a
\nHELO
\nMAIL\u00a0FROM:
\nRCPT\u00a0TO:
\nDATA
\nRSET
\nSEND\u00a0FROM:
\nSOML\u00a0FROM:
\nSAML\u00a0FROM:
\nVRFY
\nEXPN
\nHELP [\u00a0]
\nNOOP
\nQUIT
\nTURN
\n\u5176\u4e2d\u4f7f\u5f97SMTP\u5de5\u4f5c\u7684\u57fa\u672c\u7684\u547d\u4ee4\u67097\u4e2a\uff0c\u5206\u522b\u4e3a\uff1aHELO\ufe51MAIL\ufe51RCPT\ufe51DATA\ufe51REST\ufe51NOOP\u548cQUIT\uff0e\u4e0b\u9762\u5206\u522b\u4ecb\u7ecd\u5982\u4e0b\u3002<\/p>\n

HELO–\u53d1\u4ef6\u65b9\u95ee\u5019\u6536\u4ef6\u65b9\uff0c\u540e\u9762\u662f\u53d1\u4ef6\u4eba\u7684\u670d\u52a1\u5668\u5730\u5740\u6216\u6807\u8bc6\u3002\u6536\u4ef6\u65b9\u56de\u7b54OK\u65f6\u6807\u8bc6\u81ea\u5df1\u7684\u8eab\u4efd\u3002\u95ee\u5019\u548c\u786e\u8ba4\u8fc7\u7a0b\u8868\u660e\u4e24\u53f0\u673a\u5668\u53ef\u4ee5\u8fdb\u884c\u901a\u4fe1\uff0c\u540c\u65f6\u72b6\u6001\u53c2\u91cf\u88ab\u590d\u4f4d\uff0c\u7f13\u51b2\u533a\u88ab\u6e05\u7a7a\u3002<\/p>\n

MAIL–\u8fd9\u4e2a\u547d\u4ee4\u7528\u6765\u5f00\u59cb\u4f20\u9001\u90ae\u4ef6\uff0c\u5b83\u7684\u540e\u9762\u8ddf\u968f\u53d1\u4ef6\u65b9\u90ae\u4ef6\u5730\u5740\uff08\u8fd4\u56de\u90ae\u4ef6\u5730\u5740\uff09\u3002\u5b83\u4e5f\u7528\u6765\u5f53\u90ae\u4ef6\u65e0\u6cd5\u9001\u8fbe\u65f6\uff0c\u53d1\u9001\u5931\u8d25\u901a\u77e5\u3002\u4e3a\u4fdd\u8bc1\u90ae\u4ef6\u7684\u6210\u529f\u53d1\u9001\uff0c\u53d1\u4ef6\u65b9\u7684\u5730\u5740\u5e94\u662f\u88ab\u5bf9\u65b9\u6216\u4e2d\u95f4\u8f6c\u53d1\u65b9\u540c\u610f\u63a5\u53d7\u7684\u3002\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u6e05\u7a7a\u6709\u5173\u7684\u7f13\u51b2\u533a\uff0c\u4e3a\u65b0\u7684\u90ae\u4ef6\u505a\u51c6\u5907\u3002<\/p>\n

RCPT –\u8fd9\u4e2a\u547d\u4ee4\u544a\u8bc9\u6536\u4ef6\u65b9\u6536\u4ef6\u4eba\u7684\u90ae\u7bb1\u3002\u5f53\u6709\u591a\u4e2a\u6536\u4ef6\u4eba\u65f6\uff0c\u9700\u8981\u591a\u6b21\u4f7f\u7528\u8be5\u547d\u4ee4\uff0c\u6bcf\u6b21\u53ea\u80fd\u6307\u660e\u4e00\u4e2a\u4eba\u3002\u5982\u679c\u63a5\u6536\u65b9\u670d\u52a1\u5668\u4e0d\u540c\u610f\u8f6c\u53d1\u8fd9\u4e2a\u5730\u5740\u7684\u90ae\u4ef6\uff0c\u5b83\u5fc5\u987b\u62a5550\u9519\u8bef\u4ee3\u7801\u901a\u77e5\u53d1\u4ef6\u65b9\u3002\u5982\u679c\u670d\u52a1\u5668\u540c\u610f\u8f6c\u53d1\uff0c\u5b83\u8981\u66f4\u6539\u90ae\u4ef6\u53d1\u9001\u8def\u5f84\uff0c\u628a\u6700\u5f00\u59cb\u7684\u76ee\u7684\u5730\uff08\u8be5\u670d\u52a1\u5668\uff09\u6362\u6210\u4e0b\u4e00\u4e2a\u670d\u52a1\u5668\u3002<\/p>\n

DATA–\u6536\u4ef6\u65b9\u628a\u8be5\u547d\u4ee4\u4e4b\u540e\u7684\u6570\u636e\u4f5c\u4e3a\u53d1\u9001\u7684\u6570\u636e\u3002\u6570\u636e\u88ab\u52a0\u5165\u6570\u636e\u7f13\u51b2\u533a\u4e2d\uff0c\u4ee5\u5355\u72ec\u4e00\u884c\u662f”.”\u7684\u884c\u7ed3\u675f\u6570\u636e\u3002\u7ed3\u675f\u884c\u5bf9\u4e8e\u63a5\u6536\u65b9\u540c\u65f6\u610f\u5473\u7acb\u5373\u5f00\u59cb\u7f13\u51b2\u533a\u5185\u7684\u6570\u636e\u4f20\u9001\uff0c\u4f20\u9001\u7ed3\u675f\u540e\u6e05\u7a7a\u7f13\u51b2\u533a\u3002\u5982\u679c\u4f20\u9001\u63a5\u53d7\uff0c\u63a5\u6536\u65b9\u56de\u590dOK\u3002<\/p>\n

REST–\u8fd9\u4e2a\u547d\u4ee4\u7528\u6765\u901a\u77e5\u6536\u4ef6\u65b9\u590d\u4f4d\uff0c\u6240\u6709\u5df2\u5b58\u5165\u7f13\u51b2\u533a\u7684\u6536\u4ef6\u4eba\u6570\u636e\uff0c\u53d1\u4ef6\u4eba\u6570\u636e\u548c\u5f85\u4f20\u9001\u7684\u6570\u636e\u90fd\u5fc5\u987b\u6e05\u9664\uff0c\u63a5\u6536\u653e\u5fc5\u987b\u56de\u7b54OK.<\/p>\n

NOOP–\u8fd9\u4e2a\u547d\u4ee4\u4e0d\u5f71\u54cd\u4efb\u4f55\u53c2\u6570\uff0c\u53ea\u662f\u8981\u6c42\u63a5\u6536\u653e\u56de\u7b54OK, \u4e0d\u4f1a\u5f71\u54cd\u7f13\u51b2\u533a\u7684\u6570\u636e\u3002<\/p>\n

QUIT–SMTP\u8981\u6c42\u63a5\u6536\u653e\u5fc5\u987b\u56de\u7b54OK\uff0c\u7136\u540e\u4e2d\u65ad\u4f20\u8f93\uff1b\u5728\u6536\u5230\u8fd9\u4e2a\u547d\u4ee4\u5e76\u56de\u7b54OK\u524d\uff0c\u6536\u4ef6\u65b9\u4e0d\u5f97\u4e2d\u65ad\u8fde\u63a5\uff0c\u5373\u4f7f\u4f20\u8f93\u51fa\u73b0\u9519\u8bef\u3002\u53d1\u4ef6\u65b9\u5728\u53d1\u51fa\u8fd9\u4e2a\u547d\u4ee4\u5e76\u6536\u5230OK\u7b54\u590d\u524d\uff0c\u4e5f\u4e0d\u5f97\u4e2d\u65ad\u8fde\u63a5\u3002<\/p>\n

\u4e0b\u9762\u662fSMTP\u7b54\u590d\u4e2d\u7528\u5230\u7684\u4ee3\u7801\u548c\u542b\u4e49\uff1a<\/p>\n

500 Syntax error, command unrecognized
\n[This may include errors such as command line too long]
\n501 Syntax error in parameters or arguments
\n502 Command not implemented
\n503 Bad sequence of commands
\n504 Command parameter not implemented
\n211 System status, or system help reply
\n214 Help message
\n[Information on how to use the receiver or the meaning of a
\nparticular non-standard command; this reply is useful only to the human user]
\n220\u00a0Service ready
\n221\u00a0Service closing transmission channel
\n421\u00a0Service not available, closing transmission channel
\n[This may be a reply to any command if the service knows it must shut down]
\n250 Requested mail action okay, completed
\n251 User not local; will forward to
\n450 Requested mail action not taken: mailbox unavailable
\n[E.g., mailbox busy]
\n550 Requested action not taken: mailbox unavailable
\n[E.g., mailbox not found, no access]
\n451 Requested action aborted: error in processing
\n551 User not local; please try
\n452 Requested action not taken: insufficient system storage
\n552 Requested mail action aborted: exceeded storage allocation
\n553 Requested action not taken: mailbox name not allowed
\n[E.g., mailbox syntax incorrect]
\n354 Start mail input; end with\u00a0.
\n554 Transaction failed<\/p>\n

 <\/p>\n

——————————————————————————————————<\/p>\n

1.SMTP\u662f\u5de5\u4f5c\u5728\u4e24\u79cd\u60c5\u51b5\u4e0b\uff1a\u4e00\u662f\u7535\u5b50\u90ae\u4ef6\u4ece\u5ba2\u6237\u673a\u4f20\u8f93\u5230\u670d\u52a1\u5668\uff1b\u4e8c\u662f\u4ece\u67d0\u4e00\u4e2a\u670d\u52a1\u5668\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a
\n\u670d\u52a1\u5668
\n2.SMTP\u662f\u4e2a\u8bf7\u6c42\/\u54cd\u5e94\u534f\u8bae\uff0c\u547d\u4ee4\u548c\u54cd\u5e94\u90fd\u662f\u57fa\u4e8eASCII\u6587\u672c\uff0c\u5e76\u4ee5CR\u548cLF\u7b26\u7ed3\u675f\u3002\u54cd\u5e94\u5305\u62ec\u4e00\u4e2a\u8868\u793a\u8fd4
\n\u56de\u72b6\u6001\u7684\u4e09\u4f4d\u6570\u5b57\u4ee3\u7801
\n3.SMTP\u5728TCP\u534f\u8bae25\u53f7\u7aef\u53e3\u76d1\u542c\u8fde\u63a5\u8bf7\u6c42
\n4.\u8fde\u63a5\u548c\u53d1\u9001\u8fc7\u7a0b\uff1a
\na.\u5efa\u7acbTCP\u8fde\u63a5
\nb.\u5ba2\u6237\u7aef\u53d1\u9001HELO\u547d\u4ee4\u4ee5\u6807\u8bc6\u53d1\u4ef6\u4eba\u81ea\u5df1\u7684\u8eab\u4efd\uff0c\u7136\u540e\u5ba2\u6237\u7aef\u53d1\u9001MAIL\u547d\u4ee4
\n\u670d\u52a1\u5668\u7aef\u6b63\u5e0c\u671b\u4ee5OK\u4f5c\u4e3a\u54cd\u5e94\uff0c\u8868\u660e\u51c6\u5907\u63a5\u6536
\nc.\u5ba2\u6237\u7aef\u53d1\u9001RCPT\u547d\u4ee4\uff0c\u4ee5\u6807\u8bc6\u8be5\u7535\u5b50\u90ae\u4ef6\u7684\u8ba1\u5212\u63a5\u6536\u4eba\uff0c\u53ef\u4ee5\u6709\u591a\u4e2aRCPT\u884c
\n\u670d\u52a1\u5668\u7aef\u5219\u8868\u793a\u662f\u5426\u613f\u610f\u4e3a\u6536\u4ef6\u4eba\u63a5\u53d7\u90ae\u4ef6
\nd.\u534f\u5546\u7ed3\u675f\uff0c\u53d1\u9001\u90ae\u4ef6\uff0c\u7528\u547d\u4ee4DATA\u53d1\u9001
\ne.\u3000\u4ee5.\u8868\u793a\u7ed3\u675f\u8f93\u5165\u5185\u5bb9\u4e00\u8d77\u53d1\u9001\u51fa\u53bb
\nf.\u7ed3\u675f\u6b64\u6b21\u53d1\u9001\uff0c\u7528QUIT\u547d\u4ee4\u9000\u51fa\u3002<\/p>\n

5.\u53e6\u5916\u4e24\u4e2a\u547d\u4ee4\uff1a
\nVRFY—\u7528\u4e8e\u9a8c\u8bc1\u7ed9\u5b9a\u7684\u7528\u6237\u90ae\u7bb1\u662f\u5426\u5b58\u5728\uff0c\u4ee5\u53ca\u63a5\u6536\u5173\u4e8e\u8be5\u7528\u6237\u7684\u8be6\u7ec6\u4fe1\u606f\u3002
\nEXPN—\u7528\u4e8e\u6269\u5145\u90ae\u4ef6\u5217\u8868\u3002<\/p>\n

6.\u90ae\u4ef6\u8def\u7531\u8fc7\u7a0b\uff1a
\nSMTP\u670d\u52a1\u5668\u57fa\u4e8e\u2018\u57df\u540d\u670d\u52a1DNS\u4e2d\u8ba1\u5212\u6536\u4ef6\u4eba\u7684\u57df\u540d\u6765\u8def\u7531\u7535\u5b50\u90ae\u4ef6\u3002SMTP\u670d\u52a1\u5668\u57fa\u4e8eDNS\u4e2d\u7684MX\u8bb0\u5f55
\n\u6765\u8def\u7531\u7535\u5b50\u90ae\u4ef6\uff0cMX\u8bb0\u5f55\u6ce8\u518c\u4e86\u57df\u540d\u548c\u76f8\u5173\u7684SMTP\u4e2d\u7ee7\u4e3b\u673a\uff0c\u5c5e\u4e8e\u8be5\u57df\u7684\u7535\u5b50\u90ae\u4ef6\u90fd\u5e94\u5411\u8be5\u4e3b\u673a\u53d1\u9001\u3002<\/p>\n

\u82e5SMTP\u670d\u52a1\u5668mail.abc.com\u6536\u5230\u4e00\u5c01\u4fe1\u8981\u53d1\u5230shuser@sh.abc.com:<\/p>\n

a.Sendmail\u8bf7\u6c42DNS\u7ed9\u51fa\u4e3b\u673ash.abc.com\u7684CNAME\u8bb0\u5f55\uff0c\u5982\u6709\uff0c\u5047\u82e5CNAME\u5230shmail.abc.com\uff0c\u5219\u518d\u6b21
\n\u8bf7\u6c42shmail.abc.com\u7684CNAME\u8bb0\u5f55\uff0c\u76f4\u5230\u6ca1\u6709\u4e3a\u6b62
\nb.\u5047\u5b9a\u88abCNAME\u5230shmail.abc.com,\u7136\u540esendmail\u8bf7\u6c42@abc.com\u57df\u7684DNS\u7ed9\u51fashmail.abc.com\u7684MX\u8bb0\u5f55\uff0c
\nshmail\u3000\u3000\u3000\u3000MX\u3000\u3000\u30005\u3000\u3000\u3000shmail.abc.com
\n10\u3000\u3000\u3000shmail2.abc.com
\nc.\u3000Sendmail\u6700\u540e\u8bf7\u6c42DNS\u7ed9\u51fashmail.abc.com\u7684A\u8bb0\u5f55\uff0c\u5373IP\u5730\u5740\uff0c\u82e5\u8fd4\u56de\u503c\u4e3a1.2.3.4
\nd.\u3000Sendmail\u4e0e1.2.3.4\u8fde\u63a5\uff0c\u4f20\u9001\u8fd9\u5c01\u7ed9shuser@sh.abc.com\u7684\u4fe1\u52301.2.3.4\u8fd9\u53f0\u670d\u52a1\u5668\u7684SMTP\u540e\u53f0\u7a0b\u5e8f<\/p>\n

7.SMTP\u57fa\u672c\u547d\u4ee4\u96c6\uff1a<\/p>\n

\u547d\u4ee4\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u63cf\u8ff0
\n——————————
\nHELO\u3000\u3000\u3000\u3000\u3000\u3000\u5411\u670d\u52a1\u5668\u6807\u8bc6\u7528\u6237\u8eab\u4efd
\n\u53d1\u9001\u8005\u80fd\u6b3a\u9a97\uff0c\u8bf4\u8c0e\uff0c\u4f46\u4e00\u822c\u60c5\u51b5\u4e0b\u670d\u52a1\u5668\u90fd\u80fd\u68c0\u6d4b\u5230\u3002<\/p>\n

MAIL\u3000\u3000\u3000\u3000\u3000\u3000\u521d\u59cb\u5316\u90ae\u4ef6\u4f20\u8f93
\nmail\u3000form :
\nRCPT\u3000\u3000\u3000\u3000\u3000\u3000\u6807\u8bc6\u5355\u4e2a\u7684\u90ae\u4ef6\u63a5\u6536\u4eba\uff1b\u5e38\u5728MAIL\u547d\u4ee4\u540e\u9762
\n\u53ef\u6709\u591a\u4e2arcpt\u3000to:
\nDATA\u3000\u3000\u3000\u3000\u3000\u3000\u5728\u5355\u4e2a\u6216\u591a\u4e2aRCPT\u547d\u4ee4\u540e\uff0c\u8868\u793a\u6240\u6709\u7684\u90ae\u4ef6\u63a5\u6536\u4eba\u5df2\u6807\u8bc6\uff0c\u5e76\u521d\u59cb\u5316\u6570\u636e\u4f20\u8f93\uff0c\u4ee5.\u7ed3\u675f\u3002
\nVRFY\u3000\u3000\u3000\u3000\u3000\u3000\u7528\u4e8e\u9a8c\u8bc1\u6307\u5b9a\u7684\u7528\u6237\/\u90ae\u7bb1\u662f\u5426\u5b58\u5728\uff1b\u7531\u4e8e\u5b89\u5168\u65b9\u9762\u7684\u539f\u56e0\uff0c\u670d\u52a1\u5668\u5e38\u7981\u6b62\u6b64\u547d\u4ee4
\nEXPN\u3000\u3000\u3000\u3000\u3000\u3000\u9a8c\u8bc1\u7ed9\u5b9a\u7684\u90ae\u7bb1\u5217\u8868\u662f\u5426\u5b58\u5728\uff0c\u6269\u5145\u90ae\u7bb1\u5217\u8868\uff0c\u4e5f\u5e38\u88ab\u7981\u7528
\nHELP\u3000\u3000\u3000\u3000\u3000\u3000\u67e5\u8be2\u670d\u52a1\u5668\u652f\u6301\u4ec0\u4e48\u547d\u4ee4
\nNOOP\u3000\u3000\u3000\u3000\u3000\u3000\u65e0\u64cd\u4f5c\uff0c\u670d\u52a1\u5668\u5e94\u54cd\u5e94OK
\nQUIT\u3000\u3000\u3000\u3000\u3000\u3000\u7ed3\u675f\u4f1a\u8bdd
\nRSET\u3000\u3000\u3000\u3000\u3000\u3000\u91cd\u7f6e\u4f1a\u8bdd\uff0c\u5f53\u524d\u4f20\u8f93\u88ab\u53d6\u6d88
\n——————————–<\/p>\n

8.\u3000MAIL\u3000form \u547d\u4ee4\u4e2d\u6307\u5b9a\u7684\u5730\u5740\u662f\u79f0\u4f5c\u3000envelope\u3000form \u5730\u5740\uff0c\u4e0d\u9700\u8981\u548c\u53d1\u9001\u8005\u81ea\u5df1\u7684\u5730\u5740\u662f\u4e00\u81f4\u7684\u3002
\nRCPT\u3000TO\u3000\u4e0e\u4e4b\u7b49\u540c\uff0c\u6307\u660e\u7684\u63a5\u6536\u8005\u5730\u5740\u79f0\u4e3aenvelope\u3000to\u5730\u5740\uff0c\u800c\u4e0e\u5b9e\u9645\u7684to\uff1a\u884c\u662f\u4ec0\u4e48\u65e0\u5173\u3002
\n9.\u4e3a\u4ec0\u4e48\u6ca1\u6709RCPT\u3000CC\u548cRCPT\u3000BCC:?
\n\u6240\u6709\u7684\u63a5\u6536\u8005\u534f\u5546\u90fd\u901a\u8fc7RCPT\u3000TO\u547d\u4ee4\u6765\u5b9e\u73b0\uff0c\u5982\u679c\u662fBCC\uff0c\u5219\u534f\u5546\u53d1\u9001\u540e\u5728\u5bf9\u65b9\u63a5\u6536\u65f6\u88ab\u5220\u6389\u4fe1\u5c01\u63a5\u6536\u8005
\n10.\u90ae\u4ef6\u88ab\u5206\u4e3a\u4fe1\u5c01\u90e8\u5206\uff0c\u4fe1\u5934\u90e8\u5206\u548c\u4fe1\u4f53\u90e8\u5206
\nenvelope\u3000form ,\u3000envelope\u3000to\u3000\u4e0emessage\u3000form :,\u3000message\u3000to:\u5b8c\u5168\u4e0d\u76f8\u5e72\u3002
\nevnelope\u662f\u7531\u670d\u52a1\u5668\u4e3b\u673a\u95f4SMTP\u540e\u53f0\u63d0\u4f9b\u7684\uff0c\u800cmessage\u3000form \/to\u662f\u7531\u7528\u6237\u63d0\u4f9b\u7684\u3002\u6709\u65e0\u5192\u53f7\u4e5f\u662f\u533a\u522b\u3002<\/p>\n

11.\u3000\u600e\u6837\u7531\u4fe1\u5c01\u90e8\u5206\u68c0\u67e5\u662f\u5426\u4e00\u5c01\u4fe1\u662f\u5426\u662f\u4f2a\u9020\u7684\uff1f
\na.\u3000received\u884c\u7684\u5173\u8054\u6027\u3002
\n\u73b0\u5728\u7684SMTP\u90ae\u4ef6\u4f20\u8f93\u7cfb\u7edf\uff0c\u5728\u4fe1\u5c01\u90e8\u5206\u9664\u4e86\u4e24\u7aef\u7684\u5185\u90e8\u4e3b\u673a\u5904\u7406\u7684\u4e4b\u4e2a\uff0c\u8003\u8651\u4e24\u4e2a\u516c\u53f8\u9632\u706b\u5899\u4e4b\u95f4
\n\u7684\u90e8\u5206\uff0c\u82e5\u4e24\u53f0\u9632\u706b\u5899\u673a\u5668\u5206\u522b\u4e3a\uff21\u548c\uff22\uff0c\u4f46\u63a5\u6536\u8005\u68c0\u67e5\u4fe1\u5c01received\uff1a\u884c\u65f6\u53d1\u73b0\u7ecf\u8fc7\u4e86C.\u5219\u662f\u4f2a\u9020\u7684\u3002
\nb.\u3000received\uff1a\u884c\u4e2d\u7684\u4e3b\u673a\u548cIP\u5730\u5740\u5bf9\u662f\u5426\u5bf9\u5e94\u5982\uff1a
\nReceibed:\u3000form \u3000galangal.org\u3000(turmeric.com\u3000[104.128.23.115]\u3000by\u3000mail\u3000.bieberdorf.edu….
\nc.\u3000\u88ab\u4eba\u624b\u52a8\u6dfb\u52a0\u5728\u6700\u540e\u9762\u7684received\u884c\uff1a
\nReceived:\u3000form \u3000galangal.org\u3000([104.128.23.115])\u3000by\u3000mail\u3000.bieberdorf.edu\u3000(8.8.5)
\nReceived:\u3000form \u3000lemongrass.org\u3000by\u3000galangal.org\u3000(8.7.3)
\nReceived:\u3000form \u3000graprao.com\u3000by\u3000lemongrass.org\u3000(8.6.4)<\/p>\n","protected":false},"excerpt":{"rendered":"

    telnet mail.xxx.com 110 \/openwrt \u4f7f\u7528 \u201cnc m […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1743"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1743"}],"version-history":[{"count":1,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1743\/revisions"}],"predecessor-version":[{"id":1744,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/1743\/revisions\/1744"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}