when multiple protocols available, avoid the ones we don't handle

package foundation.e.mail.mail.autoconfiguration;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

/**

 * An interface for autoconfiguration

 */

        public static String INCOMING_TYPE_POP3 = "pop3";

        public static String OUTGOING_TYPE_SMTP = "smtp";

        public static List<String> INCOMING_TYPES = new ArrayList<>(

                Arrays.asList(INCOMING_TYPE_IMAP, INCOMING_TYPE_POP3)

        );

        public static String SOCKET_TYPE_SSL_OR_TLS = "ssl";

        public static String SOCKET_TYPE_STARTTLS = "tls";

    public ProviderInfo parse(Document document) {

        ProviderInfo providerInfo = new ProviderInfo();

        Element incomingElement = document.select("incomingServer").first();

        Element incomingElement = null;

        for(Element element: document.select("incomingServer")){

            if(ProviderInfo.INCOMING_TYPES.contains(element.attr("type"))){

                incomingElement = element;

                break;

            }

        }

        if (incomingElement == null) return null;

        Element incomingHostnameElement = incomingElement.select("hostname").first();

        if (incomingHostnameElement == null) return null;