Simon Rae writes:
> Out of curiosity, can anyone tell me of a site or explain to me how
> qmail handles DNS queries. Is it the case that even if a DNS lookup
> returns the IP address of the recipient MX, if that host is down, qmail
> returns the message with a 5.1.2
You'll only get a 5.1.2 if the search (which may be for an A or MX record
unless the hostname came from smtproutes then only A) returns a hard
error. That is, if a response arrived that said that the host didn't
exist. So, the answer to your question is "no."
--
-russ nelson <[EMAIL PROTECTED]> http://crynwr.com/~nelson
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!