Option to validate MX record associated with email domains about jmail HOT 5 CLOSED

import org.xbill.DNS.Lookup;
import org.xbill.DNS.Record;
import org.xbill.DNS.TextParseException;
import org.xbill.DNS.Type;

public boolean hasMxRecord(final String email) {
    final String[] chunks = email.split("@");
    if (chunks.length < 2) {
        return false;
    }

    try {
        final Record[] records = new Lookup(chunks[1], Type.MX).run();
        return records != null && records.length > 0;
    } catch (TextParseException e) {
        return false;
    }
}

EmailValidator validator = JMail.validator()
    .withRule(email -> {
      try {
        Records[] records = new Lookup(email.domainWithoutComments(), Type.MX).run();
        return records != null && records.length > 0;
      } catch (Exception e) {
        return false;
      }
    });

boolean valid = validator.isValid("[email protected]");

EmailValidator validator = JMail.validator().requireValidMXRecord();

boolean valid = validator.isValid("[email protected]");