sendmail questions about deferred messages
Paul Howarth
paul at city-fan.org
Mon Jun 5 12:28:54 UTC 2006
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.
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