I'm seeing the same thing here whenever I post to the list.  I logged 
about 1000 hits to my nameserver in about an hour, and went slightly 
into "curious" mode because I never get that kind of traffic on my small 
home LAN.  I wondered at first if it was some sort of stealth attack 
because the queries seemed to be coming from all over the world - until 
I realized that it was just other list members' spam filters, probably 
scanning the Recieved: lines or some such.

I guess it's just one of those interesting things about the internet...

Eric 


[EMAIL PROTECTED] wrote:
> 
> I know, I know, posting to both lists? But, tinydns made this
> easy and qmail is the list in question, so...
> 
> I was just watching the tinydns logs when I mailed a message to
> the qmail mailing list.
> 
> All of a sudden the query rate on my reply-address domain shot up as
> the log tail slid across the screen. It occurred to me that a lot of
> those queries are probably doing reverse lookups or anti-spam
> checks ensuring a valid reply domain.
> 
> The reason I'm pointing this out is that I find it interesting
> that it indirectly exposes some domains which are likely to be
> subscribed to the list.

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