On Tue, Dec 01, 1998 at 10:42:05AM -0500, Robert Weaver wrote:
> Typically this is used so that you can send mail to <user>@<domain name>
> even though there is no actual machine by that name. You can send mail
> to me to [EMAIL PROTECTED] Your mailer will actually send the mail to
> sauron.mordor.org.
Or for example, although I'm [EMAIL PROTECTED], there is *no* gsp.org
machine at the moment; gsp.org is MX'd to rsk.itw.com, which is
a dialup connection with a fixed IP address.
> To make life even more complicated, many sites disable the verification
> fuction for security reasons.
And to hamper spammers. In fact, most sites running sendmail now have
VRFY and EXPN turned off; same goes for sites running other mail transport
agents (qmail, smail) or using firewalls. Further, a lot of the anti-spam
stuff out there (RBL, ORBS, etc.) disables mail from sites that are
blackholed or known to be operating third-party relays, aka spam enablers.
We're a long way from the world we once had, when you could actually
use "finger" and get useful information. Thank the spammers and
the other unethical, unscrupulous pigs out there for that.
---Rsk
Rich Kulawiec
[EMAIL PROTECTED]
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