Enum vsmtp_protocol::ConnectionKind

#[non_exhaustive]
pub enum ConnectionKind {
    Relay,
    Submission,
    Tunneled,
}

Type of SMTP connection.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Relay

Connection coming for relay (MTA on port 25) see https://datatracker.ietf.org/doc/html/rfc5321

Submission

Connection coming for submission (MSA on port 587) see https://datatracker.ietf.org/doc/html/rfc6409

Tunneled

Connection coming for submissionS (MSA on port 465) see https://datatracker.ietf.org/doc/html/rfc8314

Trait Implementations

impl Clone for ConnectionKind

fn clone(&self) -> ConnectionKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ConnectionKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for ConnectionKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Hash for ConnectionKind

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where
    H: Hasher,
    Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq<ConnectionKind> for ConnectionKind

fn eq(&self, other: &ConnectionKind) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ConnectionKind

impl Eq for ConnectionKind

impl StructuralEq for ConnectionKind

impl StructuralPartialEq for ConnectionKind