* Jaroslaw Grzabel <ja...@meil.me>:

> >> unknown     550 5.1.2 Your reverse DNS entries are off
> >>     
> And also, are you sure that unknown is OK ? I can see in logs that I've
> got number of connections from unknown[IP_ADDRESS] but when I do
> nslookup IP_ADDRESS they have PTR. So I don't want to reject them.

Which restrictions are you using?

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
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