International Mail Relay's

[Jeff Macdonald]

On Tue, 2003-03-11 at 18:22, Derek Martin wrote:

> This is a security/spam problem.  This feature tells sendmail to relay
> mail for any domain for which an MX record points to the host in
> question.  This means I can use your mail server as a MX host by
> simply pointing an MX record at it.  It also means that rather than
> doing a very fast database lookup, on every e-mail received, sendmail
> must do an expensive DNS query to determine if it is an MX host for a
> given domain.
> 
> This feature really should never be used, except internally, and
> probably not even then.
> 

Yes, this is also outlined in the docs. Just wanted to let him know of
another possible option.

> - -- 
> Derek D. Martin
> http://www.pizzashack.org/
> GPG Key ID: 0xDFBEAD02

Does any else besides me mentally translate the key ID above to
DEADBEEF? (no insult meant Derek!).

-- 
Jeff Macdonald <jeff.macdonald at virtualbuilder.com>