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 Email SMTP 5XX error codes
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Possible 5xx codes


  • 500 - The server could not recognize the command due to a syntax error.
  • 501 - A syntax error was encountered in command arguments.
  • 502 - This command is not implemented.
  • 503 - The server has encountered a bad sequence of commands.
  • 504 - A command parameter is not implemented.
  • 550 - No mailbox by that name is currently available.
  • 551 - The recipient is not local to the server. The server then gives a forward address to try.
  • 552 - The action was aborted due to exceeded storage allocation.
  • 553 - The command was aborted because the mailbox name is invalid.
  • 554 - The transaction failed. Blame it on the weather.







Article Details
Article ID: 238
Created On: 10 Jan 2013 11:02 PM

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