Re: reject_unknown_sender_domain seems not to work

[Wietse Venema]

Lars Liedtke:
> Wrong: even with a domain that does not exist and a DNS-Lookup delievers
> NXDOMAIN still the Domain ist not rejected.
> 
> $ drill dgibsjaganicht.de
 ;; ->>HEADER<<- opcode: QUERY, rcode: NXDOMAIN, id: 31428

Please provide evidence that this query uses the same
resolver as Postfix.

Use tcpdump or some equivalent. 

        Wietse