Enable outbound email - If checked this will send email through the email server set up in the Outbound Email settings.
Host - SMTP email server. This information would be provided by your email service provider.
Username - Usually your email address.
Password - Password used with the username above for your email.
Port - Port provided by your email service provider.
Secure Connection - This should be checked if your email provider requires SSL/Secure Connection
Enable TLS - This should be checked in your email service provider requires TLS.

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