Setting sendmail not to resolve domains?

Barry Byrne barry.byrne at
Fri Jun 6 06:27:43 PDT 2003

Not recommended if you want to avoid SPAM, but add the following to your .mc
file, rebuild .cf file and restart sendmail.

 - Barry


> -----Original Message-----
> From: owner-freebsd-questions at
> [mailto:owner-freebsd-questions at]On Behalf Of Dragoncrest
> Sent: 06 June 2003 14:27
> To: freebsd-questions at
> Subject: Setting sendmail not to resolve domains?
> 	Hi all. I'm wondering how I would go about disabling dns lookups in
> sendmail?  Right now it's denying mail delivery because it can't resolve
> the senders domain of most of the mail it's recieving.  I'd like
> to tell it
> to just accept them regardless if it can resolve the domain name or
> not.  Can someone tell me where and how to do this?  Maybe give me some
> examples?  Thanks. Also, I'm a sendmail newbie so please keep it
> as simple
> as possible.  Thanks.
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