public void removeValidatedDomain(String domain) {
        validatedDomains.remove(domain);
        // Unregister the validated domain for this server session in SessionManager
        SessionManager.getInstance().unregisterIncomingServerSession(domain, this);
    }
Removes the previously validated domain from the list of validated domains. The remote
server will no longer be able to send packets from the removed domain, subdomain or
virtual host.

@param domain the domain, subdomain or virtual host to remove from the list of
       validated domains.
xmppserver/src/main/java/org/jivesoftware/openfire/session/LocalIncomingServerSession.java