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SMTP status code

Source:本站    Date:2013-12-25

211     System status, or system help reply

      

214     Help message

       

220     Service ready

       

221     Service closing transmission channel

       

250     Requested mail action okay, completed

       

251     User not local; will forward to

       

354     Start mail input; end with .

       

421     Service not available, closing transmission channel

       

450     Requested mail action not taken: mailbox unavailable

 

451     Requested action aborted: local error in processing

      

452     Requested action not taken: insufficient system storage

      

500     Syntax error, command unrecognized

       

501     Syntax error in parameters or arguments

       

502     Command not implemented

      

503     Bad sequence of commands

       

504     Command parameter not implemented

       

550     Requested action not taken: mailbox unavailable

      

551     User not local; please try

       

552     Requested mail action aborted: exceeded storage allocation

       

553     Requested action not taken: mailbox name not allowed

       

554     Transaction failed