Robustel R1520 User Guide
RT056_UG_R1520_v.1.0.3 Dec. 25, 2021 112/159
Click the toggle button to enable/disable the Email option.
Click the toggle button to enable/disable the TLS/SSL option.
Click the toggle button to enable/disable the STARTTLS encrypted transmission
method.
Enter the SMTP server IP Address or domain name.
Enter the SMTP server port.
Set the max time for sending email to SMTP server. When the server doesn’t
receive the email over this time, it will try to resend.
Use username and password authentication
Enter the username which has been registered from SMTP server.
Enter the password of the username above.
Enter the source address of the email.
Enter the subject of this email.
4.5.6 DDNS
This section allows you to set the DDNS parameters. DDNS, the full name of dynamic domain name server, is the
dynamic domain name service. DDNS service allows you to map a dynamic IP address to a fixed domain name
resolution service. Each time a user connects to the network, the client program will transmit the dynamic IP address
of the host to the server program located on the server host. The server program is responsible for providing DNS
service and realizing dynamic domain name resolution, that is, DDNS service allows you to provide dynamic w for the
host An IP assigns a fixed domain name, and other users can access your host directly through this fixed domain
name, rather than through the dynamic Wan IP address. The router's dynamic Wan IP address is assigned directly by
the ISP.
Click Service > DDNS to set the parameters related to DDNS. and its service provider defaults to DynDNS.
When service provider chose “Custom”, the window is displayed as below.