Re: [exim] Lookups for blacklisted links within messages

Martin A. Brooks wrote:
> Marc Perkel wrote:
>> Has anyone done this? What I would like to do is parse out all the
>> links within a message and do a DNS lookup on every domain within the
>> message.
>
> If it were possible, http://how.would.you.com/ deal with
> http://people.deliberately.co.uk/ seeding emails with
> http://non-existant.domains.com/ and thus DoSing your server while
> it's wating for http://dns.timeouts.cx/ ?
>
I'm not going to do lookups to the domains themselves. It will be
lookups in my own lists.

example.com.uribl.junkemailfilter.com