Chapter 3 Settings
85
Error code Likely cause Corrective action
20 No valid email address • Enter a valid email address.
11003
11004
No POP server could be
found. or the DNS server
could not be accessed.
• Check the POP server address.
• Check if the network setup allows this machine to use
DNS.
11021 Unable to connect to POP
server
• Check the POP server settings.
• Check the firewall settings.
12010 An error was returned from
the POP server.
• Check the POP server settings.
13000 POP authentication failed. • Check the user name and password.
• Check the APOP settings.
• Check the authentication method.
10013
10014
No SMTP server could be
found. or the DNS server
could not be accessed.
• Check the SMTP server address.
• Check if the network setup allows this machine to use
DNS.
10021 Unable to connect to SMTP
server
• Check the SMTP server settings.
• Check the SMTP port number.
• Check the firewall settings.
10***
11***
20***
21***
An error was returned from
the SMTP server. or there
was no response.
• Check the SMTP server settings.
• Communication is not possible with a server that requires
SSL communication.
• Check the protocol filter settings.
12*** The sender email address is
invalid.
• Set an email address corresponding to the server
account.
13*** The email recipient could be
found or the email address
is invalid.
• Check the email address.
• This error may not always be detected even if the email
address is incorrect.
• Set an email address corresponding to the server
account.
22000
22008
SMTP authentication error • Check the authentication method.
23***
24***
25***
SMTP authentication failed. • Check the user name and password.
1. *** is the error code received from the mail server
• If the error persists, wait a while before retrying.
3