Enum RelayConfigError 

pub enum RelayConfigError {
    InvalidUrl {
        url: String,
        source: InvalidUri,
    },
    InvalidToken,
    Tls(String),
}

Building an EmailRelayClient failed — a startup-time misconfiguration, never a runtime condition.

Variants

InvalidUrl

The configured relay origin does not parse as a URI.

Fields

url: String

The URL string that failed to parse.

source: InvalidUri

The underlying URI parse error.

InvalidToken

The configured bearer token is not a valid HTTP header value (e.g. it contains a control character). Caught eagerly here because ClientConfig::with_default_header silently drops an invalid value instead of erroring, which would otherwise turn a bad token into an unexplained unauthenticated on every send.

Tls(String)

Building the TLS client for an https:// relay origin failed (e.g. no process-default crypto provider). Fails closed rather than silently downgrading to plaintext.

Trait Implementations

impl Debug for RelayConfigError

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

Formats the value using the given formatter.

impl Display for RelayConfigError

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

Formats the value using the given formatter.

impl Error for RelayConfigError

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.