Re: localhost pitfall in resolver/solving "Host or domain name not found. Name service error for name=localhost type=A: Host not found" (also type=AAAA)

[Victor Duchovni]

On Thu, May 05, 2011 at 03:49:35PM +0200, Matthias Andree wrote:

> Executive summary:
> 
> We are facing a massive bug in the GNU glibc 2.11 and eglibc 2.13
> resolvers which fails to even attempt a query for a name without dots if
> RES_DEFNAMES is unset.  FreeBSD 8.2, DragonflyBSD 2.10 and Solaris 10
> are unaffected.

Do NOT use "[localhost]" as an SMTP nexthop. I always use "[127.0.0.1]".
If IPv6 works well for you, you can use "[::1]".

-- 
        Viktor.