You can add/modify a SMTP configuration under "SMTP configuration manager", SMTP configuration is needed if you want to send emails.
Click the button "Add SMTP Configuration" to add an SMTP server settings.
Name:
The identifier for you to distinguish this SMTP server from other SMTP servers.
Sender Name:
FTP server will use this as the sender's name.
Sender Email:
FTP server will use this as the sender's email address.
Need Auth:
If your SMTP server needs authentication, just enable this option and input the username/password.
SMTP Server:
The server address of this SMTP server. It should be a domain name (e.g., smtp.mail.com) or an IP address (e.g., 231.56.789.24).
SMTP Port:
The listener port of this SMTP server, default SMTP port is 25.
SMTP Username:
The account name is associated with authentication for the SMTP server.
Use TLS/SSL:
Whether the SMTP server requires TLS/SSL connection.