5.3 RC2 sendmail problem

[Lowell Gilbert]

Nick Sayer <nsayer at kfu.com> writes:

> Something is very wrong with sendmail in 5.3RC2.
> 
> Under 5.2.1, my sendmail config, which is simply the default, plus a
> SMART_HOST worked fine. Under 5.3RC2, attempts to get to the smart
> host result in 'host name lookup failure'.
> 
> In searching the archives, I note I am not the first to bring this up,
> but I've found no solution.
> 
> I'm really, really sure nothing changed except upgrading to
> 5.3RC2. What happened?
> 

I'm not seeing anything like this.

Can you otherwise resolve the same hostname?