Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Nikolaos Milas
On 8/9/2017 4:17 μμ, /dev/rob0 wrote: ... Thanks a lot for your detailed and valuable advice! It helped me a lot to understand things better! I will surely work on my configuration based on your recommendations. I think I'll start by using your initial recommended changes and see how it g

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread /dev/rob0
On Fri, Sep 08, 2017 at 03:03:49PM +0300, Nikolaos Milas wrote: > On 8/9/2017 2:42 μμ, Wietse Venema wrote: > > Just as with smtpd access maps, permit/reject are a final > > decision, and dunno means 'let something else make the decision'. > > Please let my ask for a clarification here. The probl

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Matus UHLAR - fantomas
On 8/9/2017 2:42 μμ, Wietse Venema wrote: Just as with smtpd access maps, permit/reject are a final decision, and dunno means 'let something else make the decision'. On 08.09.17 15:03, Nikolaos Milas wrote: Please let my ask for a clarification here. The problem is that the rejection seems to

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Nikolaos Milas
On 8/9/2017 2:42 μμ, Wietse Venema wrote: Just as with smtpd access maps, permit/reject are a final decision, and dunno means 'let something else make the decision'. Thank you Wietse, Please let my ask for a clarification here. The problem is that the rejection seems to have happened by post

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Nikolaos Milas
On 8/9/2017 1:56 μμ, Allen Coates wrote: In your exceptions list, use ACCEPT or REJECT; By the way, can we interchangeably use any of the values ACCEPT / PERMIT / OK ? If so, can you please reference any associated documentation? I ask because at http://www.postfix.org/POSTSCREEN_README.ht

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Wietse Venema
Nikolaos Milas: > On 8/9/2017 1:56 ??, Allen Coates wrote: > > > DUNNO means "let something else decide" ... > > Hi Allen, > > I understand that, but shouldn't this also mean "Bypass ALL > postscreen-related checks & filtering", which should avoid blocking by > RBLs used within postscreen? It

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Nikolaos Milas
On 8/9/2017 1:56 μμ, Allen Coates wrote: DUNNO means "let something else decide" ... Hi Allen, I understand that, but shouldn't this also mean "Bypass ALL postscreen-related checks & filtering", which should avoid blocking by RBLs used within postscreen? Cheers, Nick

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Allen Coates
In your exceptions list, use ACCEPT or REJECT; DUNNO means "let something else decide" ... Allen C On 08/09/17 09:36, Nikolaos Milas wrote: > Hello, > > I have tried to whitelist some servers for postscreen, but I notice that > they continue to get blocked if they are blacklisted. > > What I a

Re: Postscreen exceptions and blacklisting

2017-09-08 Thread Nikolaos Milas
On 8/9/2017 11:36 πμ, Nikolaos Milas wrote: What I am doing wrong in whitelisting them? Let me try to guess: should I use "permit" rather than "dunno" (in postscreen_exceptions.cidr)? If so, why "dunno" doesn't work? Shouldn't it whitelist a client from any and all postscreen tests? Plea

Postscreen exceptions and blacklisting

2017-09-08 Thread Nikolaos Milas
Hello, I have tried to whitelist some servers for postscreen, but I notice that they continue to get blocked if they are blacklisted. What I am doing wrong in whitelisting them? How can I successfully whitelist them so that they are not blocked even if they are blacklisted in a RBL/RSBL? H