ZyXEL Communications LTE Series User Manual page 260

Table 113 E-mail Notification > Add (continued)
LABEL DESCRIPTION
Connection Select SSL to use Secure Sockets Layer (SSL) or Transport Layer Security (TLS) if you want
Security encrypted communications between the mail server and the Zyxel Device.
Select STARTTLS to upgrade a plain text connection to a secure connection using SSL/TLS.
Cancel Click this button to begin configuring this screen afresh.
OK Click this button to save your changes and return to the previous screen.
Chapter 30 E-mail Notification
LTE Series User's Guide
260