sendmail questions about deferred messages

Les Mikesell lesmikesell at gmail.com
Mon Jun 5 12:24:53 UTC 2006


On Mon, 2006-06-05 at 07:09, Ambrogio wrote:

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

Sendmail checks the sender's address too. There's an option
to reject messages that have addresses that DNS can't resolve
and if you permit them it will add a 'may be forged' comment
in the headers. 

-- 
  Les Mikesell
   lesmikesell at gmail.com





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