* Boris Dimitrov <b...@playtime.bg>:
> Hi group , 
> my question is what this error means , and where in config i can get rid
> of it. In general I dont want to restrict senders with this option. 

So don't do it then
 
> Sep  2 11:05:35 digital postfix/smtpd[32536]: warning: 92.242.99.142:
> hostname sputniknet-1-mt.donbass.com verification failed: No address
> associated with hostname

$ host 92.242.99.142
142.99.242.92.in-addr.arpa domain name pointer sputniknet-1-mt.donbass.com.

but:

$ host sputniknet-1-mt.donbass.com
Host sputniknet-1-mt.donbass.com not found: 3(NXDOMAIN)

Beat the DNS admin for donbass.com with a large stick.

-- 
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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