Balazs Nagy writes:
> Hiyas,
>
> Nowadays I just bored to get mail from illegal hostnames and I created a
> diff against vanilla qmail-1.03 (see attachment).
>
> It is simple. It checks for a DNS entry for the MAIL FROM domain if
> control/mfcheck or the MFCHECK environment variable is set to nonzero.
>
> Please check it out. Any comments/bugfixes/etc are welcomed.
A) It's been done before.
B) You've implemented it wrong. Your patch will reject mail from @vix.com,
for example. You're only checking for A records. You also need to check
for MX records.
> Regards: Kevin (Balazs)
>
--
Sam