Enum SmtpMessage 

#[non_exhaustive]
pub enum SmtpMessage {
    Command {
        verb: SmtpCommand,
        args: String,
    },
    Reply {
        code: u16,
        text: String,
    },
    Banner {
        banner: String,
    },
    Helo {
        domain: String,
        esmtp: bool,
    },
    MailFrom {
        address: String,
    },
    RcptTo {
        address: String,
    },
    Credentials {
        mechanism: String,
        user: String,
        pass: String,
    },
    TlsUpgrade,
    DataBegin,
    DataEnd {
        bytes: u64,
    },
}

Available on crate feature smtp only.

One parsed SMTP control-channel message.

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.

Command

Command from the client.

Fields

verb: SmtpCommand

args: String

Reply

Reply from the server (final-line only for multi-line).

Fields

code: u16

text: String

Banner

Server banner — first 220 reply on the responder.

Fields

banner: String

Helo

EHLO / HELO domain advertised by the client.

Fields

domain: String

esmtp: bool

MailFrom

MAIL FROM:<addr>. address is the envelope-from with <> stripped; empty for the null-sender <>.

Fields

address: String

RcptTo

RCPT TO:<addr>. address is the envelope-recipient with <> stripped.

Fields

address: String

Credentials

AUTH credentials. mechanism is "PLAIN" or "LOGIN". user / pass are base64-decoded; either may be empty on a malformed exchange.

Fields

mechanism: String

user: String

pass: String

TlsUpgrade

STARTTLS was accepted (220 reply). After this event the parser stops draining — pair with flowscope::tls for the encrypted handshake.

DataBegin

Client sent DATA and got 354 Start mail input. Following bytes are message body terminated by \r\n.\r\n.

DataEnd

Message body finished (\r\n.\r\n observed). bytes is the body length including headers but excluding the terminator dot line.

Fields

bytes: u64

Trait Implementations

impl Clone for SmtpMessage

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SmtpMessage

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SmtpMessage

Available on crate feature serde only.

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for SmtpMessage

impl PartialEq for SmtpMessage

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for SmtpMessage

Available on crate feature serde only.

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for SmtpMessage