On Tue, 2003-03-11 at 18:38, Jeff Macdonald wrote: > 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.
Thanks for the info. These will most likely help out in a few of the sites. Some sites are running Sendmail, so this will do the trick. I am sure that there are similar mechanisms for Qmail and Courier. Thanks, Kenny -- ---------------------------------------------------------------------------- "Tact is just *not* saying true stuff" -- Cordelia Chase Kenneth E. Lussier Sr. Systems Administrator Zuken, USA PGP KeyID CB254DD0 http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xCB254DD0 _______________________________________________ gnhlug-discuss mailing list [EMAIL PROTECTED] http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss