Enum lettre::smtp::error::Error

pub enum Error {
    Transient(Response),
    Permanent(Response),
    ResponseParsing(&'static str),
    ChallengeParsing(DecodeError),
    Utf8Parsing(FromUtf8Error),
    Client(&'static str),
    Resolution,
    Io(Error),
    Tls(Error),
    Parsing(ErrorKind),
}

Expand description

An enum of all error kinds.

Variants

Transient(Response)

Transient SMTP error, 4xx reply code

RFC 5321, section 4.2.1

Permanent(Response)

Permanent SMTP error, 5xx reply code

RFC 5321, section 4.2.1

ResponseParsing(&'static str)

Error parsing a response

ChallengeParsing(DecodeError)

Error parsing a base64 string in response

Utf8Parsing(FromUtf8Error)

Error parsing UTF8in response

Client(&'static str)

Internal client error

Resolution

DNS resolution error

Io(Error)

IO error

Tls(Error)

TLS error

Parsing(ErrorKind)

Parsing error

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter. Read more

impl Display for Error

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

Formats the value using the given formatter. Read more

impl Error for Error

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

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

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

1.30.0 · source

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

The lower-level source of this error, if any. Read more

fn provide<'a>(&'a self, demand: &mut Demand<'a>)

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

Provides type based access to context intended for error reports. Read more

impl From<&'static str> for Error

fn from(string: &'static str) -> Error

Converts to this type from the input type.

impl From<DecodeError> for Error

fn from(err: DecodeError) -> Error

Converts to this type from the input type.

impl From<Error> for Error

fn from(err: Error) -> Error

Converts to this type from the input type.

impl From<Error> for Error

fn from(err: Error) -> Error

Converts to this type from the input type.

impl From<ErrorKind<u32>> for Error

fn from(err: ErrorKind) -> Error

Converts to this type from the input type.

impl From<FromUtf8Error> for Error

fn from(err: FromUtf8Error) -> Error

Converts to this type from the input type.

impl From<Response> for Error

fn from(response: Response) -> Error

Converts to this type from the input type.

Auto Trait Implementations

impl !RefUnwindSafe for Error

impl Send for Error

impl Sync for Error

impl Unpin for Error

impl !UnwindSafe for Error

Blanket Implementations

impl<T> Any for Twhere
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> AsFail for Twhere
T: Fail,

fn as_fail(&self) -> &(dyn Fail + 'static)

Converts a reference to Self into a dynamic trait object of Fail.

impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<E> Fail for Ewhere
E: 'static + Error + Send + Sync,

fn name(&self) -> Option<&str>

Returns the “name” of the error. Read more

fn cause(&self) -> Option<&(dyn Fail + 'static)>

Returns a reference to the underlying cause of this failure, if it is an error that wraps other errors. Read more

fn backtrace(&self) -> Option<&Backtrace>

Returns a reference to the Backtrace carried by this failure, if it carries one. Read more

fn context<D>(self, context: D) -> Context<D>where
D: 'static + Display + Send + Sync,
Self: Sized,

Provides context for this failure. Read more

fn compat(self) -> Compat<Self>where
Self: Sized,

Wraps this failure in a compatibility wrapper that implements std::error::Error. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for Twhere
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<E> Provider for Ewhere
E: Error + ?Sized,

fn provide<'a>(&'a self, demand: &mut Demand<'a>)

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

Data providers should implement this method to provide all values they are able to provide by using demand. Read more

impl<T> ToString for Twhere
T: Display + ?Sized,

default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.