E-mail的運作乃藉由client端送出請求訊息,SMTP伺服器回覆應答,一來一往之間完成訊息傳遞。
以下是伺服器傳送之應答碼列表。
211 System status, or system help reply 回應系統狀態
214 Help message 輔助訊息
220 <Mail Server>Service ready 伺服端之郵件服務已準備運作
221 <Mail Server>Service closing transmission channel 已結束與郵件伺服器之連結
250 OK [Requested mail action okay, completed] 系統指令正確傳送(OK)
251 User not local; will forward to<forward-path> 無此收件者
354 Start mail input; end with<CRLF>.<CRLF> 開始郵件內容傳送,並以<CRLF>.<CRLF>表示結束
421 <Mail Server>Service not available, closing transmission channel 伺服端無此郵件服務
450 Requested mail action not taken:mailbox unavailable 郵件信箱不存在
451 Requested action aborted: error in processing 系統指令處理錯誤
452 Requested action not taken: insufficient system storage 系統容量不足
500 Syntax error, command unrecognized 未定義之系統指令
501 Syntax error in parameters or arguments 系統指令之參數錯誤
502 Command not implemented 系統指令未被執行
503 Bad sequence of commands 系統指令順序錯誤
504 Command parameter not implemented 系統指令之參數未被執行
550 Requested action not taken: mailbox unavailable 郵件信箱不存在
551 User not local; please try 無此收件者<forward-path>
552 Requested mail action aborted: 系統容量不足 exceeded storage allocation
553 Requested action not taken: 郵件信箱收件者名稱不存在
554 Transaction failed 郵件交易處理失敗
更完整的資料,可以參考智碩科技-技術支援
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♥順子老婆的網拍,請多關照∼
If you don't like something, change it.
If you can't change it, change your attitude.
Don't complain!
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