Canon imagePRESS C800 Series Troubleshooting Manual page 231

Chapter 1
2) Press [E-Mail Address] > Enter the e-mail address > press [OK].
3) Press [Authent./Encryption] > set "Allow SSL (SMTPReceive)" > press [OK].
- If you select [Always SSL] for "Allow SSL (SMTPReceive)", only reception of data encrypted using SSL is allowed, and communications not using SSL from
the host are rejected.
- If you select [On] for "Allow SSL (SMTPReceive)", receiving SSL encrypted data may only be allowed when there is a request from the host.
[Caution]
- To use the SMTP receiving function, it is necessary to register the host name for the machine to the DNS server. (See "TCP/IPv4 Settings" and "TCP/IPv6 Set-
tings.")
- Even if you select [On] for "Allow SSL (SMTPReceive)", the data will not be encrypted if the SMTP host does not support encryption.
- To select [Always SSL] or [On] for "Allow SSL (SMTPReceive)" to allow SSL transmission, it is necessary to generate a key pair in advance. To generate a key
pair, see "Generating a Key Pair and Server Certificate" or "Registering a Key Pair File and Server Certificate File Installed from a Computer."
b) Using a POP server to receive communications:
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