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pub enum Tls {
    None,
    Opportunistic(TlsParameters),
    Required(TlsParameters),
    Wrapper(TlsParameters),
}
Available on crate feature smtp-transport only.
Expand description

How to apply TLS to a client connection

Variants

None

Insecure connection only (for testing purposes)

Opportunistic(TlsParameters)

Available on crate features native-tls or rustls-tls only.

Start with insecure connection and use STARTTLS when available

Required(TlsParameters)

Available on crate features native-tls or rustls-tls only.

Start with insecure connection and require STARTTLS

Wrapper(TlsParameters)

Available on crate features native-tls or rustls-tls only.

Use TLS wrapped connection

Trait Implementations

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