邮件服务器搭建 (4) 手工telnet取信（转载）很有用！
IMAP 协议收信与POP收信有很大的不同，最明显的一点就是发送的每条命令(命令是不区分大小写的)，前面都要带有一个标签/标志，发送一条命令后可以紧接着发 送另一条命令，服务器端返回命令处理结果的顺序是未知的，取决于各条命令的执行时间。所以返回的结果中，将带有所发送命令的标签。如下面示例中的 A01, A02 等等。说明：手工录入的用蓝色字体表示，#后的为注释，不可录入。
$ 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 UIDs valid
* FLAGS (\Answered \Seen \Deleted \Draft)
* OK Limited
A03 OK 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 "<[email protected]][email protected]>") 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.
$
转自 http://www.cnblogs.com/CrazyWill/archive/2006/08/12/474884.html
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