public void setMailFromDomain(String mailFromDomain) {
        this.mailFromDomain = mailFromDomain;
    }
<p>
The custom MAIL FROM domain that the identity is configured to use.
</p>

@param mailFromDomain
       The custom MAIL FROM domain that the identity is configured to use.
aws-java-sdk-ses/src/main/java/com/amazonaws/services/simpleemail/model/IdentityMailFromDomainAttributes.java