Re: Postfix as MX fallback

2010-10-04 Thread Christoph Petersen
>> Thanks for the reply. Is there a way to query DNS if the specified MX is >> present so I do not have to maintain the list of allowed domains? > > I send lots of spam, and I configure DNS such that the sender domain > of my spam resolves to your MX (*). Would you please receive millions > non-de

Re: Postfix as MX fallback

2010-10-04 Thread Wietse Venema
Christoph Petersen: > Hi Wietse, > > Thanks for the reply. Is there a way to query DNS if the specified MX is > present so I do not have to maintain the list of allowed domains? I send lots of spam, and I configure DNS such that the sender domain of my spam resolves to your MX (*). Would you plea

Re: Postfix as MX fallback

2010-10-04 Thread Victor Duchovni
On Mon, Oct 04, 2010 at 04:52:04PM +0200, Christoph Petersen wrote: > Hi Wietse, > > Thanks for the reply. Is there a way to query DNS if the specified MX is > present so I do not have to maintain the list of allowed domains? > > > > See: > > > > http://www.postfix.org/STANDARD_CONFIGURATION_RE

Re: Postfix as MX fallback

2010-10-04 Thread Christoph Petersen
Hi Wietse, Thanks for the reply. Is there a way to query DNS if the specified MX is present so I do not have to maintain the list of allowed domains? BR Christoph On 04.10.2010 16:38, Wietse Venema wrote: > Christoph Petersen: >> Hi guys, >> >> I was wondering if the following scenario is feasib

Re: Postfix as MX fallback

2010-10-04 Thread Wietse Venema
Christoph Petersen: > Hi guys, > > I was wondering if the following scenario is feasible with Postfix. I > would like to have Postfix acting as my fallback MX for emails which > have an certain MX record. > > So for instance let's assume we have the domain example.org which has > two MX mx1.examp