Marc G. Fournier wrote:
>
>
> --On Thursday, November 01, 2007 13:36:32 -0400 Andrew Sullivan
> <ajs@crankycanuck.ca> wrote:
>
>>> "Host or domain name not found"
>> This should just bounce, no?
>
> The full message looks like:
>
> Host or domain name not found. Name service error for name=sigma.fr type=MX:
> Host not found, try again
>
> so it looks like postfix is treating it as a soft failure, vs hard ...
a query for the MX of that domain results in SERVFAIL which MTAs usually
treat like a temporary and not a permanent error one.
Stefan
