Michael Boyiazis writes:
> I went through qmail-smtpd and added a bit of code to
> do a gethostbyaddr. If I don't get a value, I refuse the
> mail due to no reverse DNS. Now looking over some
> comments in this list and with a little closer look at the
> setup routine in qmail-smtpd.c it appears if the name
> cannot be resolved, remoteip and/or remotehost get
> set to 'unknown'. Would it make sense to deny mail if
> either of these is 'unknown'. and/or set tcpserver
> option -p?
Yes and no. You get too many false positives. Then again, AOL seems
to get away with it.
--
-russ nelson <[EMAIL PROTECTED]> http://russnelson.com
Crynwr sells support for free software | PGPok | Government schools are so
521 Pleasant Valley Rd. | +1 315 268 1925 voice | bad that any rank amateur
Potsdam, NY 13676-3213 | +1 315 268 9201 FAX | can outdo them. Homeschool!
