[admin]

500 Syntax error, command unrecognized
(This may include errors such as command line too long)
501 Syntax error in parameters or arguments
502 Command not implemented (see section 4.2.4)
503 Bad sequence of commands
504 Command parameter not implemented
211 System status, or system help reply
214 Help message
(Information on how to use the receiver or the meaning of a
particular non-standard command; this reply is useful only
to the human user)
220 Service ready
221 Service closing transmission channel
421 Service not available, closing transmission channel
(This may be a reply to any command if the service knows it
must shut down)
250 Requested mail action okay, completed
251 User not local; will forward to
(See section 3.4)
252 Cannot VRFY user, but will accept message and attempt
delivery
(See section 3.5.3)
450 Requested mail action not taken: mailbox unavailable
(e.g., mailbox busy)
550 Requested action not taken: mailbox unavailable
(e.g., mailbox not found, no access, or command rejected
for policy reasons)
451 Requested action aborted: error in processing
551 User not local; please try
(See section 3.4)
452 Requested action not taken: insufficient system storage
552 Requested mail action aborted: exceeded storage allocation
553 Requested action not taken: mailbox name not allowed
(e.g., mailbox syntax incorrect)
354 Start mail input; end with .
554 Transaction failed (Or, in the case of a connection-opening
response, "No SMTP service here")
4.2.3 Reply Codes in Numeric Order
211 System status, or system help reply
214 Help message
(Information on how to use the receiver or the meaning of a
particular non-standard command; this reply is useful only
to the human user)
220 Service ready
221 Service closing transmission channel
250 Requested mail action okay, completed
251 User not local; will forward to
(See section 3.4)
252 Cannot VRFY user, but will accept message and attempt
delivery
(See section 3.5.3)
354 Start mail input; end with .
421 Service not available, closing transmission channel
(This may be a reply to any command if the service knows it
must shut down)
450 Requested mail action not taken: mailbox unavailable
(e.g., mailbox busy)
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognized
(This may include errors such as command line too long)
501 Syntax error in parameters or arguments
502 Command not implemented (see section 4.2.4)
503 Bad sequence of commands
504 Command parameter not implemented
550 Requested action not taken: mailbox unavailable
(e.g., mailbox not found, no access, or command rejected
for policy reasons)
551 User not local; please try
(See section 3.4)
552 Requested mail action aborted: exceeded storage allocation
553 Requested action not taken: mailbox name not allowed
(e.g., mailbox syntax incorrect)
554 Transaction failed (Or, in the case of a connection-opening
response, "No SMTP service here")
220 TimeOut 一開始
250 TimeOut Sender ok
354 TimeOut Start Mail input
421 ? {INTERNAL: 0x0002} {CODE: 0x00000000}
440 01 郵件址錯誤
445 被封鎖 Server Rejected
450 無法 IP 反查 Client host rejected, Cannot resolve PTR
450 ?(netzero.net) Temporary Process Error
450 ?(mail.eranet.net) Resource temporarily unaviable,please try again later
450 ?(usa.net) Requested mail action not taken: mailbox unavailable
451 無法解析寄件者郵件地址 Domain of sender address sender@mail.com.tw does not resolve
451 ?(bbs99.com.tw) qq trouble creating files in queue (#4.3.0)
451 ?(sun15.wfc.edu.tw) queuename: Cannot create "qfCAA21081" in "/var/spool/mqueue" (euid=0): No space left on device
451 ?(taiwan.com) Requested action aborted, errno=28.
452 信箱空間已滿 Message for would exceed mailbox quota
454 安全因素,被封鎖(gtic.com.tw) Client was not authenticated
472 無法 IP 反查(hal-pc.org) sender@mail.com.tw no DNS A-data returned
501 無法 IP 反查 Domain of sender address sender@mail.com.tw does not exist
501 無此使用者(3d-group.com) Mailbox( tonyl@3d-group.com ) not found
501 ?(direct.ca) ko@direct.ca>: "@" or "." expected after "elaine"
501 無此使用者(email.expand.com.tw) Mailbox( hongmin@email.expand.com.tw ) not found
501 emial錯誤(laohuyatse.com.tw) Syntax error, parameters in command "RCPT TO:min@laohuyatse.com.tw>" unrecognized or missing
501 無此使用者(MS1.KINGNET.COM.TW) 5.1.1 ... User unknown
501 emial錯誤(SATURN.SEED.NET.TW) <@SATURN.SEED.NET.TW>: no local part
501 emial錯誤(taipeilink.net) Syntax error in recipient:
501 emial錯誤(TCTS.SEED.NET.TW) SHIH@TCTS.SEED.NET.TW>: "@" or "." expected after "CC"
501 emial錯誤(tpts5.seed.net.tw) : "@" or "." expected after "fau"
503 安全因素,權限不足 Either sender or receiver must be local account.
503 無此使用者,不是本主機轉送信件的使用者(MAIL.FORTEK.COM.TW) CAT@MAIL.FORTEK.COM.TW
521 安全因素,被封鎖(ms4.seeder.net) This system is configured to reject mail from 211.20.70.148
550 無此使用者 unknown user,
User unknown,
Invalid User,
Recipient unknown,
Mailbox disabled for this recipient
Unknown local part ,
收件者不詳,
Invalid recipient,
Unable to relay for
no such user ,
Recipient unknown,
This account is not allowed
recipient unknown
No such mail drop defined,
user disabled,
I don"t know, Relaying is prohibited
Relaying denied
REJECT SMTP Protocol Returned a Permanent Error 550 Forwarding percent hack is not permitted
550 郵件系統錯誤(263.net) System is busy
550 無法 IP 反查(326.cc) Relaying denied. IP name lookup failed [211.20.70.150]
550 無法轉寄(3318.com) Relaying denied
*550 太多同主題信件(accton.com.tw) Subj similar too many!!
*550 說我們是spam
*550 不允許動態ip信件
550 無法轉寄(amexol.net) Mailbox unavailable: This site may not be used as a relay agent.
550 無法 IP 反查(anet.com.tw) IP name lookup failed [211.20.70.150]
550 無法 IP 反查(aol.com) DNS FAILURE
550 無法 IP 反查(ara.seed.net.tw) cannot route to sender address
550 不允許轉寄的relay server信件
551 無法轉寄(ti.com.tw) ... we do not relay
552 信箱空間已滿(hotmail.com) Requested mail action aborted: exceeded storage allocation
552 被封鎖(sinamail.com) Sorry, we don"t allow mail from your host.
553 郵件地址錯誤(ms13.hient.net) sorry, that domain isn"t in my list of allowed rcpthosts (#5.7.1)
554 無此使用者(yahoo.com.tw) delivery error: dd Sorry your message to ivymylove@yahoo.com cannot be delivered. This account has been disabled or discontinued [#102]. - mta495.mail.yahoo.com
554 delivery error: dd This user doesn"t have a yahoo.com account (zxxxx-fang@yahoo.com) - mta419.mail.yahoo.com
554 delivery error: dd Sorry, your message to yw720@yahoo.com cannot be delivered. This account is over quota. - mta310.mail.yahoo.com
571 無效的寄件者(mail.sysnet.net.tw)571 ... we don"t accept junk mail