Canon MF418x - Page 763

● In I-Fax reception, the machine cannot receive the e-mail if its size exceeds 24 MB. Ask the sender to
reduce the size of the e-mail down to under 24 MB and try resending.
#839
A user name and password that are used for SMTP authentication are not set correctly.
● Set the user name and password correctly.
Conguring Basic E-Mail Settings(P. 464)
Conguring E-Mail/I-Fax Communication Settings(P. 469)
#841
When sending an e-mail/I-Fax, an encryption algorithm that is common to the mail server is not present.
● Clear the [Use TLS] check box for the SMTP server.
Conguring E-Mail/I-Fax Communication Settings(P. 469)
● Add the common encryption algorithm to the mail server settings.
When verifying a TLS server certicate to communicate to the SMTP server, a verication error occurred.
● Check that the CA certicate that signed the TLS server certicate on the SMTP server side is registered to
the machine by using the Remote UI.
Verifying Key Pairs and Digital Certicates(P. 602)
● Check that the TLS server certicate on the SMTP server side is valid.
● Check that the TLS server certicate is not a self-signed certicate.
#844
TLS encrypted communication to a POP3 server failed when sending an e-mail with POP before SMTP.
● Check the TLS encrypted communication settings in the POP3 server.
● Clear the [Use TLS] check box for the POP3 server. If the problem persists, clear the [Use POP
Authentication Before Sending] check box, and set the communication setting to a setting other than POP
before SMTP.
Conguring E-Mail/I-Fax Communication Settings(P. 469)
When verifying a TLS server certicate to communicate to the POP3 server, a verication error occurred.
● Check that the CA certicate that signed the TLS server certicate on the POP3 server side is registered to
the machine by using the Remote UI.
Verifying Key Pairs and Digital Certicates(P. 602)
● Check that the TLS server certicate on the POP3 server side is valid.
● Check that the TLS server certicate is not a self-signed certicate.
#846
An e-mail or I-Fax could not be sent due to a POP authentication failure.
Troubleshooting
754