// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
impl super::Client {
    /// Constructs a fluent builder for the [`PutEmailIdentityMailFromAttributes`](crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder) operation.
    ///
    /// - The fluent builder is configurable:
    ///   - [`email_identity(impl Into<String>)`](crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder::email_identity) / [`set_email_identity(Option<String>)`](crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder::set_email_identity):<br>required: **true**<br><p>The verified email identity.</p><br>
    ///   - [`mail_from_domain(impl Into<String>)`](crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder::mail_from_domain) / [`set_mail_from_domain(Option<String>)`](crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder::set_mail_from_domain):<br>required: **false**<br><p>The custom MAIL FROM domain that you want the verified identity to use. The MAIL FROM domain must meet the following criteria:</p> <ul>  <li>   <p>It has to be a subdomain of the verified identity.</p></li>  <li>   <p>It can't be used to receive email.</p></li>  <li>   <p>It can't be used in a "From" address if the MAIL FROM domain is a destination for feedback forwarding emails.</p></li> </ul><br>
    ///   - [`behavior_on_mx_failure(BehaviorOnMxFailure)`](crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder::behavior_on_mx_failure) / [`set_behavior_on_mx_failure(Option<BehaviorOnMxFailure>)`](crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder::set_behavior_on_mx_failure):<br>required: **false**<br><p>The action to take if the required MX record isn't found when you send an email. When you set this value to <code>UseDefaultValue</code>, the mail is sent using <i>amazonses.com</i> as the MAIL FROM domain. When you set this value to <code>RejectMessage</code>, the Amazon SES API v2 returns a <code>MailFromDomainNotVerified</code> error, and doesn't attempt to deliver the email.</p> <p>These behaviors are taken when the custom MAIL FROM domain configuration is in the <code>Pending</code>, <code>Failed</code>, and <code>TemporaryFailure</code> states.</p><br>
    /// - On success, responds with [`PutEmailIdentityMailFromAttributesOutput`](crate::operation::put_email_identity_mail_from_attributes::PutEmailIdentityMailFromAttributesOutput)
    /// - On failure, responds with [`SdkError<PutEmailIdentityMailFromAttributesError>`](crate::operation::put_email_identity_mail_from_attributes::PutEmailIdentityMailFromAttributesError)
    pub fn put_email_identity_mail_from_attributes(
        &self,
    ) -> crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder {
        crate::operation::put_email_identity_mail_from_attributes::builders::PutEmailIdentityMailFromAttributesFluentBuilder::new(self.handle.clone())
    }
}