sendmail questions about deferred messages

[Paul Howarth]

Ambrogio wrote:
> Il giorno lun, 05/06/2006 alle 12.11 +0100, Paul Howarth ha scritto:
> 
>> Sendmail needs to do DNS lookups to canonicalize the address before it 
>> can determine whether the address is local or not.
> the hosts file is not enough?
> I see query to redhat.com for MX when messages is from fedora list.

This is to verify that redhat.com is a real domain and not some bogus 
domain name made up by a spammer.

> But I think that query should be for my account and so for my MX.

It should be looking that up too. A hosts file entry is not sufficient 
because a hosts file cannot specify MX records for mail delivery.

Paul.