Enum lettre::smtp::ClientSecurity

pub enum ClientSecurity {
    None,
    Opportunistic(ClientTlsParameters),
    Required(ClientTlsParameters),
    Wrapper(ClientTlsParameters),
}

How to apply TLS to a client connection

Variants

None

Insecure connection

Opportunistic(ClientTlsParameters)

Use STARTTLS when available

Required(ClientTlsParameters)

Always use STARTTLS

Wrapper(ClientTlsParameters)

Use TLS wrapped connection without negotation Non RFC-compliant, should only be used if the server does not support STARTTLS.

Trait Implementations

impl Clone for ClientSecurity

fn clone(&self) -> ClientSecurity

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.