* Ralf Hildebrandt <ralf.hildebra...@charite.de>:

> Indeed. And that's actually documented 

http://www.postfix.org/STRESS_README.html

Although the above example shows three RBL lookups (lines 4-6),
Postfix will only do a single DNS query, so it does not affect the
performance.

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebra...@charite.de | http://www.charite.de
            

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