8-160
Default Setting (System Menu) 
5
Press the 
 or 
 key to select [Secure Protocol].
6
Press the 
OK
 key. Secure Protocol appears.
7
Press the 
 or 
 key to select [LDAP Security].
8
Press the 
OK
 key. LDAP Security appears.
9
Press the 
 or 
 key to select [Off], [SSL/TLS] or 
[STARTTLS].
10
Press the 
OK
 key. 
Completed.
 is displayed and the 
screen returns to the Secure Protocol menu.
SMTP Security
Select the communication protocol according to the type of security employed by the SMTP server. The default setting 
is 
Off
.
NOTE: 
SMTP (E-mail TX) must be set to On in Protocol Detail on page 8-151.
The table below shows the available settings.
* You can change the port number using Command Center RX.
Use the procedure below to make the setting. 
1
In the Sys. Menu/Count. menu, press the 
 or 
 key to 
select [System/Network], and press the 
OK
 key.
Item Description
Off Do not use security employed by the SMTP server.
SSL/TLS Encryption is applied any data communication. To enable SMTP security, the 
SMTP port may have to be changed according to the server settings. 
Typically, 465* for SSL/TLS is well-known SMTP port.
STARTTLS Encryption is applied any data communication. Typically, 25* or 587* for 
STARTTLS is well-known SMTP port.