Re: Preventing relay of multiple recipients or cc to multiple recipients

2009-01-08 Thread Victor Duchovni
On Thu, Jan 08, 2009 at 11:03:51AM +0100, Bas van Reeuwijk wrote: > Am I correct in understandig that I should set null_sender to empty in the > pipe command to my content filter, because the default is set to > 'MAILER-DAEMON'? Yes. > Currently my filter entry in the master.cf is as follows: >

Re: Preventing relay of multiple recipients or cc to multiple recipients

2009-01-08 Thread Bas van Reeuwijk
Hi Victor, Thanks again for you help. I really appreciate the time and effort you put in helping and educating me. I've succesfully upgraded to postfix 2.5.6 this morning. I'm still a bit confused about your remarks regarding the "null_sender=" parameter. Am I correct in understandig that I sho

Re: Preventing relay of multiple recipients or cc to multiple recipients

2009-01-07 Thread Victor Duchovni
On Thu, Jan 08, 2009 at 06:56:55AM +0100, Bas van Reeuwijk wrote: > Hi Victor, > > Thanks for you very quick an accurate reply. > > I was indeed using -t in my contentfilter script and was generally looking > in the wrong direction. > > That leaves me with one question in the sample script at >

Re: Preventing relay of multiple recipients or cc to multiple recipients

2009-01-07 Thread Bas van Reeuwijk
Hi Victor, Thanks for you very quick an accurate reply. I was indeed using -t in my contentfilter script and was generally looking in the wrong direction. That leaves me with one question in the sample script at http://www.postfix.org/FILTER_README.html#simple_filter it reads: # Localize these.

Re: Preventing relay of multiple recipients or cc to multiple recipients

2009-01-07 Thread Victor Duchovni
On Thu, Jan 08, 2009 at 06:17:44AM +0100, Bas van Reeuwijk wrote: > Good morning all, > > Over the last couple of days I've been at work trying to secure my postfix > mail-server. It's a small private e-mail server. > > I've used http://jimsun.linxnet.com/misc/postfix-anti-UCE.txt as a guide > a

Preventing relay of multiple recipients or cc to multiple recipients

2009-01-07 Thread Bas van Reeuwijk
Good morning all, Over the last couple of days I've been at work trying to secure my postfix mail-server. It's a small private e-mail server. I've used http://jimsun.linxnet.com/misc/postfix-anti-UCE.txt as a guide and I see that a lot of spam is rejected at the gate (before it is handled by spam