本文转自：http://www.cnblogs.com/rootq/articles/1320266.html
[crazywill@localhost crazywill]$ telnet 192.168.0.1 143 #telnet登录IMAP协议的143端口 Trying 192.168.0.1... Connected to xxxxxx Escape character is '^]'. * OK xxxxxxx System IMap Server Ready A01 LOGIN abc 123 #用户登录 A01 OK LOGIN completed A02 LIST "" * #列出所有信箱列表 * LIST () "/" "INBOX" * LIST () "/" "Drafts" * LIST () "/" "Sent Items" * LIST () "/" "Trash" * LIST () "/" "Junk E-mail" * LIST () "/" "Virus Items" * LIST () "/" "&XfJT0ZABkK5O9g-" * LIST () "/" "&g0l6Pw-" * LIST () "/" "&XfJT0ZABkK5O9g-/DailyReport" * LIST () "/" "Jira" * LIST () "/" "Admin" * LIST () "/" "&V4NXPpCuTvY-" A02 OK LIST Completed A03 Select INBOX #选择收件箱 * 37 EXISTS * 0 RECENT * OK [UIDVALIDITY 1] UIDs valid * FLAGS (Answered Seen Deleted Draft) * OK [PERMANENTFLAGS (Answered Seen Deleted Draft)] Limited A03 OK [READ-WRITE] SELECT completed A04 Search ALL #查询收件箱所有邮件 * OK X-SEARCH in progress * OK X-SEARCH in progress * OK X-SEARCH in progress * SEARCH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 A04 OK SEARCH completed # 列出符合条件的邮件序号(ALL表示列出当前信箱INBOX中的所有邮件) A05 Search new #查询收件箱所有新邮件 * OK X-SEARCH in progress * OK X-SEARCH in progress * OK X-SEARCH in progress * SEARCH A05 OK SEARCH completed #找不到任何新邮件 A06 Fetch 5 full #获取第5封邮件的邮件头 * 5 FETCH (INTERNALDATE "27-Jun-2006 14:00:27 +0800" FLAGS (Seen) ENVELOPE ("Tue, 27 Jun 2006 13:56:51 +0800" "test " (("xxxxxx" NIL "xxxx" "xxxxxx")) (("xxxxxx" NIL "xxxx" "xxxxxx")) (("xxxxxx" NIL "xxxx" "xxxxxx")) ((NIL NIL "xxx" "xxxxx")) NIL NIL NIL "<000f01c699ae$7c5014a0$6b01a8c0@xxxxxx.xx>") BODY (("text" "plain" ("charset" "gb2312") NIL NIL "base64" 14 2) ("text" "html" ("charset" "gb2312") NIL NIL "base64" 420 7) "alternative") RFC822.SIZE 1396) A06 OK Fetch completed A07 Fetch 5 rfc822 #获取第5封邮件的完整内容 * 5 FETCH (RFC822 {1396} [这里是邮件内容，太长，略...] A07 OK Fetch completed A08 Fetch 5 flags #查询第5封邮件的标志位 A08 OK Fetch completed A09 Store 5 +flags.silent (deleted) #设置标志位为删除 A09 OK STORE completed A10 Expunge #永久删除当前邮箱INBOX中所有设置了deleted标志的信件 A10 OK EXPUNGE completed A11 noop # 空语句 A11 OK NOOP completed A20 LOGOUT #退出 * BYE IMAP4rev1 Server logging out A20 OK LOGOUT completed Connection closed by foreign host. [crazywill@localhost crazywill]$