Struct ConfigBuilder 

pub struct ConfigBuilder(/* private fields */);

Builder for Config.

Implementations

impl ConfigBuilder

pub fn strictness(self, s: Strictness) -> Self

Set RFC strictness level.

pub fn strip_subaddress(self) -> Self

Strip subaddress from canonical form.

pub fn preserve_subaddress(self) -> Self

Keep subaddress in canonical form (default).

pub fn subaddress_separator(self, sep: char) -> Self

Set the subaddress separator character (default: +).

pub fn dots_gmail_only(self) -> Self

Strip dots only for Gmail/Googlemail.

pub fn dots_always_strip(self) -> Self

Always strip dots from local part.

pub fn dots_preserve(self) -> Self

Preserve dots (default).

pub fn lowercase_all(self) -> Self

Lowercase both local part and domain.

pub fn lowercase_domain(self) -> Self

Lowercase domain only (default, RFC-correct).

pub fn preserve_case(self) -> Self

Preserve original case for local part (domain is always lowercased per RFC 5321).

pub fn domain_check_psl(self) -> Self

Validate domain against Public Suffix List (requires psl feature).

pub fn domain_check_tld(self) -> Self

Validate domain has a recognized TLD.

pub fn check_confusables(self) -> Self

Enable anti-homoglyph confusable detection.

pub fn allow_domain_literal(self) -> Self

Allow domain literals like [192.168.1.1].

pub fn allow_display_name(self) -> Self

Allow display names like "John Doe" <john@example.com>.

pub fn allow_single_label_domain(self) -> Self

Do not require a dot in the domain (allow single-label domains).

pub fn domain_check_syntax(self) -> Self

Syntax-only domain check (default). Resets from Psl/Tld back to syntax.

pub fn build(self) -> Config

Build the config.