is bind needed at all?

[Will Yardley]

Chris Thomas wrote:
 
> Use of MX records is also a performance issue.  If you omit an MX record 
> for A record site that receives mail, you force senders to make a useless 
> MX query to the receiving nameserver before requesting the A record, 
> which may be (is probably) cached locally to the sender.  (Name servers 
> that cache the non-existance of MX records mitagate this.)

although to be fair, i believe in actual practice, most mail servers,
including sendmail, make the first query for records of type 'ANY' not
for an 'MX' specifically, even though in an ideal world, they would
probably query for an MX first.  i think it's more efficient to just
query for ANY in the first place.

i always add MX records for machines that will regularly be receiving
mail, but i'm not sure that performance would suffer very much at all by
omitting the MX record.  i mainly add it just so there's no ambiguity.

w 

-- 
Sintax error in config file! (line 378)
aborted!

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