Autor: Graeme Fowler Data: A: exim-users@exim.org Assumpte: Re: [exim] SBL checks not working
On 29 May 2013, at 08:02, other@??? wrote: > Big lesson learned today for me.. Run your own resolver.
Lesson 2 is "familiarise yourself with the rules the DNSBLs you're querying run by". As unlikely as it seems, if you hit them with too many queries you may end up seeing the entire world listed as you did before solving this problem. Spamhaus are particularly good at nailing high-volume sites who aren't paying them for services.
