[转]利用telnet进行SMTP的验证

本文转自：http://www.cnblogs.com/rootq/articles/1320266.html

[crazywill@localhost crazywill]$ telnet 192.168.0.1       #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        #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
*  EXISTS
 *  RECENT
 * OK [UIDVALIDITY ] 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
 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  full         #获取第5封邮件的邮件头
*  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"  ) ("text" "html" ("charset" "gb2312") NIL NIL "base64"  ) "alternative") RFC822.SIZE )
 A06 OK Fetch completed
A07 Fetch  rfc822       #获取第5封邮件的完整内容
*  FETCH (RFC822 {}
 [这里是邮件内容，太长，略...]
A07 OK Fetch completed
A08 Fetch  flags        #查询第5封邮件的标志位
A08 OK Fetch completed
A09 Store  +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]$