I'm not a contributor to James, but I thought someone might be interested in
a little mod I made to James.
I made it so that one can hard wire a domain to a hostname or IP. This was
needed in our LAN.
I implemented it as a subclass, but it would be simpler to modify
DNSServer.java directly if this were added to James permanently.
Config.xml file fragment:
<dnsserver>
<servers>
<server>196.3.2.4</server>
<server>196.3.2.195</server>
</servers>
<hosts> <!-- HERE IS WHERE I CAN HARD WIRE DOMAINS -->
<host name="myplace.net">10.10.254.63</host>
</hosts>
<authoritative>false</authoritative>
</dnsserver>
import java.util.*;
import org.apache.james.dnsserver.*;
import org.apache.james.services.*;
import org.apache.avalon.framework.configuration.*;
/**
* This subclass of DNSServer is specifically designed to take
* into account the fact that our domain doesn't work from within the LAN.
*
**/
public class HardDnsServer extends org.apache.james.dnsserver.DNSServer
{
HashMap mappings = new HashMap();
public void configure( final Configuration configuration )
throws ConfigurationException
{
super.configure( configuration );
// Get this servers that this block will use for lookups
Configuration hostsConfiguration = configuration.getChild( "hosts" );
Configuration[] hostConfigurations =
hostsConfiguration.getChildren( "host" );
for ( int i = 0; i < hostConfigurations.length; i++ )
{
Configuration hostConfiguration = hostConfigurations[i];
mappings.put( hostConfiguration.getAttribute("name").toLowerCase(),
hostConfiguration.getValue());
}
}
public Collection findMXRecords(String hostname)
{
Collection result;
String mappedHost = (String)mappings.get(hostname.toLowerCase());
if( mappedHost == null )
{
result = super.findMXRecords(hostname);
}
else
{
result = new ArrayList(1);
result.add(mappedHost);
}
return result;
}
}
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