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ERROR MESSAGE LIST
SMTP
Category
POP3 server error
SMTP server error
Connection error
Internal error
Error Message
Authentication error (POP3)
Authentication error (SMTP)
Connection error to DNS server
(Cannot resolve server name)
Cannot connect to SMTP server
MAIL FROM command error
RCPT TO command error
Undefined error
Cannot connect to POP3 server
Possible cause / Possible solution
FTP
FTP server error
Connection error
Internal error
Connection error to DNS server
(Cannot resolve server name)
Cannot connect to FTP server
Connection error occurred on
FTP server
• The entered name for the DNS server might be incorrect.
Check the DNS settings.
• The DNS server might be down. Refer to your network
administrator.
• The IP address of the FTP server might be incorrect.
• The FTP server might be down. Refer to your network admin-
istrator.
A connection error might have occurred on the FTP server
side.
File transfer error
Undefined error
Passive mode error
Log out failed
Directory change failed
User name or password isn't cor-
rect
File transfer might have failed. Check the network connection
status.
A problem might have occurred in the FTP function. Check the
FTP client settings.
During FTP transfer an error might have occurred. Check the
FTP client settings.
An error might have occurred during the connection with the
server. Refer to the administrator of the server.
The directory path might be incorrect. Check the FTP client
settings.
Entered user name and/or password might be incorrect. Check
the FTP client settings.
Entered user name and/or password might be incorrect. Check
the mail settings.
Entered user name and/or password might be incorrect. Check
the mail settings.
• The entered name for the DNS server might be incorrect.
Check the DNS settings.
• The DNS server might be down. Refer to your network
administrator.
• The IP address of the SMTP server might be incorrect.
• The SMTP server might be down. Refer to your network
administrator.
The entered sender mail address might be incorrect. Check
the mail settings.
The entered recipient mail address might be incorrect. Check
the mail settings.
The mail function might have problems. Check the mail set-
tings.
• The IP address of the POP3 server might be incorrect.
• The POP3 server might be down. Refer to your network
administrator.