[Mimedefang] Reject without PTR record

[WBrown at e1b.org]

mimedefang-bounces at lists.roaringpenguin.com wrote on 01/16/2004 06:12:32 
PM:

> I'm sure it rejects it by default (at least the one installed from 
FreeBSD 
> ports).
> 
> Is it better to reject or just to tempfail such emails?
> As I think more about that, my choice is to tempfail, because the DNS 
server 
> responsible for that domain might be down at this time.

Yep, the default config rejects, and I'm having a problem with one domain 
with a DNS issue being bounced. 
How is this changed?  I'm running pretty much the default compile of the 
sendmail source.  I tried to find it on the sendmail.org site.