Canon VK-64 User Manual
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9
Tr
oub
leshooting
List of Messages
421
450
451
502
550
transmission channel
Requested mail action not taken:
mailbox unavailable
Requested action aborted: local error in
processing
Command not implemented
Requested action not taken: mailbox
unavailable
The communication is terminated
because the mail server stopped.
The requested mail process was not
executed because the mailbox is not
available.
The requested execution was canceled
because an error occurred in the mail
server.
The mail server does not support the
command that was sent.
The request was not executed because
the mailbox is not available.
Codes
Error Messages
Description
●
A List of SMTP Error Codes