Enum SmtpClientStdError 

pub enum SmtpClientStdError {
    SmtpGreeting(SmtpGreetingGetError),
    Ehlo(SmtpEhloError),
    Helo(SmtpHeloError),
    StartTls(SmtpStartTlsError),
    AuthAnonymous(SmtpAuthAnonymousError),
    AuthLogin(SmtpAuthLoginError),
    AuthPlain(SmtpAuthPlainError),
    AuthOAuthBearer(SmtpAuthOauthbearerError),
    AuthXOAuth2(SmtpAuthXoauth2Error),
    AuthScramSha256(SmtpAuthScramSha256Error),
    Mail(SmtpMailError),
    Rcpt(SmtpRcptError),
    Data(SmtpDataError),
    Noop(SmtpNoopError),
    Raw(SmtpRawError),
    Rset(SmtpRsetError),
    Quit(SmtpQuitError),
    MessageSend(SmtpMessageSendError),
    Io(Error),
    Tls(Error),
    UrlMissingHost(String),
    UrlUnsupportedScheme(String, String),
    StartTlsOverTls,
}

Available on crate feature client only.

Errors returned by SmtpClientStd.

Variants

SmtpGreeting(SmtpGreetingGetError)

The greeting coroutine failed.

Ehlo(SmtpEhloError)

The EHLO coroutine failed.

Helo(SmtpHeloError)

The HELO coroutine failed.

StartTls(SmtpStartTlsError)

The STARTTLS coroutine failed.

AuthAnonymous(SmtpAuthAnonymousError)

The AUTH ANONYMOUS coroutine failed.

AuthLogin(SmtpAuthLoginError)

The AUTH LOGIN coroutine failed.

AuthPlain(SmtpAuthPlainError)

The AUTH PLAIN coroutine failed.

AuthOAuthBearer(SmtpAuthOauthbearerError)

The AUTH OAUTHBEARER coroutine failed.

AuthXOAuth2(SmtpAuthXoauth2Error)

The AUTH XOAUTH2 coroutine failed.

AuthScramSha256(SmtpAuthScramSha256Error)

Available on crate feature scram only.

The AUTH SCRAM-SHA-256 coroutine failed.

Mail(SmtpMailError)

The MAIL FROM coroutine failed.

Rcpt(SmtpRcptError)

The RCPT TO coroutine failed.

Data(SmtpDataError)

The DATA coroutine failed.

Noop(SmtpNoopError)

The NOOP coroutine failed.

Raw(SmtpRawError)

The raw passthrough coroutine failed.

Rset(SmtpRsetError)

The RSET coroutine failed.

Quit(SmtpQuitError)

The QUIT coroutine failed.

MessageSend(SmtpMessageSendError)

The composite message send coroutine failed.

Io(Error)

Reading from or writing to the stream failed.

Tls(Error)

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

Opening the TCP connection or negotiating TLS failed.

UrlMissingHost(String)

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

The connection URL carries no host part.

UrlUnsupportedScheme(String, String)

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

The connection URL scheme is neither smtp nor smtps.

StartTlsOverTls

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

STARTTLS was requested on an already-TLS connection.

Trait Implementations

impl Debug for SmtpClientStdError

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

Formats the value using the given formatter.

impl Display for SmtpClientStdError

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

Formats the value using the given formatter.

impl Error for SmtpClientStdError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<Error> for SmtpClientStdError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for SmtpClientStdError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<SmtpAuthAnonymousError> for SmtpClientStdError

fn from(source: SmtpAuthAnonymousError) -> Self

Converts to this type from the input type.

impl From<SmtpAuthLoginError> for SmtpClientStdError

fn from(source: SmtpAuthLoginError) -> Self

Converts to this type from the input type.

impl From<SmtpAuthOauthbearerError> for SmtpClientStdError

fn from(source: SmtpAuthOauthbearerError) -> Self

Converts to this type from the input type.

impl From<SmtpAuthPlainError> for SmtpClientStdError

fn from(source: SmtpAuthPlainError) -> Self

Converts to this type from the input type.

impl From<SmtpAuthScramSha256Error> for SmtpClientStdError

fn from(source: SmtpAuthScramSha256Error) -> Self

Converts to this type from the input type.

impl From<SmtpAuthXoauth2Error> for SmtpClientStdError

fn from(source: SmtpAuthXoauth2Error) -> Self

Converts to this type from the input type.

impl From<SmtpDataError> for SmtpClientStdError

fn from(source: SmtpDataError) -> Self

Converts to this type from the input type.

impl From<SmtpEhloError> for SmtpClientStdError

fn from(source: SmtpEhloError) -> Self

Converts to this type from the input type.

impl From<SmtpGreetingGetError> for SmtpClientStdError

fn from(source: SmtpGreetingGetError) -> Self

Converts to this type from the input type.

impl From<SmtpHeloError> for SmtpClientStdError

fn from(source: SmtpHeloError) -> Self

Converts to this type from the input type.

impl From<SmtpMailError> for SmtpClientStdError

fn from(source: SmtpMailError) -> Self

Converts to this type from the input type.

impl From<SmtpMessageSendError> for SmtpClientStdError

fn from(source: SmtpMessageSendError) -> Self

Converts to this type from the input type.

impl From<SmtpNoopError> for SmtpClientStdError

fn from(source: SmtpNoopError) -> Self

Converts to this type from the input type.

impl From<SmtpQuitError> for SmtpClientStdError

fn from(source: SmtpQuitError) -> Self

Converts to this type from the input type.

impl From<SmtpRawError> for SmtpClientStdError

fn from(source: SmtpRawError) -> Self

Converts to this type from the input type.

impl From<SmtpRcptError> for SmtpClientStdError

fn from(source: SmtpRcptError) -> Self

Converts to this type from the input type.

impl From<SmtpRsetError> for SmtpClientStdError

fn from(source: SmtpRsetError) -> Self

Converts to this type from the input type.

impl From<SmtpStartTlsError> for SmtpClientStdError

fn from(source: SmtpStartTlsError) -> Self

Converts to this type from the input type.