* Condor <con...@stz-bg.com>:
> 
> Hello,
> i have postfix 2.7.2 and i have problem with restrictions. I setup
> smtpd_recipient_restrictions here is my main.cf config file:
> 
> smtpd_recipient_restrictions =
>   permit_mynetworks,
>   permit_sasl_authenticated,
>   check_helo_access hash:/etc/postfix/helo_checks,
>   check_sender_access hash:/etc/postfix/helo_checks,
>   check_recipient_access pcre:/etc/postfix/recipient_checks.pcre,
>   reject_unauth_destination,

...

> That file pcre:/etc/postfix/recipient_checks.pcre contain:
> /^\@/           550 Invalid address format.
> /[!%\@].*\@/    550 This server disallows weird address syntax.
> /^postmaster\@/ OK
> /^hostmaster\@/ OK
> /^abuse\@/      OK
> /^nobody\@/     REJECT

This is an open relay that allows relaying to 
postmaster, hostmaster, abuse at any domain.

Admittedly that's not a lot of recipients, but still!
-- 
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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