OptionalallowOptionalallowIPDomainIf true then IP addresses are allowed in the host part.
OptionalallowUTF8If false then` any non-English UTF8 character in the local part of the email address are forbidden.
OptionalblacklistedReject emails that include any of the given characters in the name part.
OptionalhostIf the part of the email after the @ symbol matches one of the strings defined in it then the validation fails.
OptionalhostValidation succeeds, only if the part of the email after the @ symbol matches one of the strings defined in it.
OptionalignoreIf true then the standard max length of an email is ignored.
OptionalrequireIf true then display names are required (Display Name
OptionalrequireTLDIf false then addresses without a top-level domain are allowed.
If).
truethen display names are allowed (Display Name