[solved] Re: postmulti behind NAT

2013-07-23 Thread /dev/rob0
On Tue, Jul 23, 2013 at 07:54:38AM +0200, Ulrich Zehl wrote: On Sat, Jul 20, 2013 at 03:45:35PM -0500, /dev/rob0 wrote: They don't have hairpin NAT set up, whereby if I try to connect to this NATed IP address it would go to the router and come back to me. I'm fine with that, actually; while

Re: postmulti behind NAT

2013-07-22 Thread Jeroen Geilman
On 07/21/2013 12:23 AM, /dev/rob0 wrote: On Sat, Jul 20, 2013 at 05:18:58PM -0400, Wietse Venema wrote: /dev/rob0: The doubt in my mind about this is for mail truly destined to our hosted domains. It resolves to an Internet (not an internal) IP address which is in the MX instance's

Re: postmulti behind NAT

2013-07-22 Thread /dev/rob0
On Mon, Jul 22, 2013 at 08:51:37PM +0200, Jeroen Geilman wrote: Why would you not allow submission to deliver to the hosted domains ? You can simply add the maps to the existing ones you use (if any). The point is that we can never be sure that we actually do host any given domain. Suppose a

Re: postmulti behind NAT

2013-07-22 Thread Ulrich Zehl
On Sat, Jul 20, 2013 at 03:45:35PM -0500, /dev/rob0 wrote: They don't have hairpin NAT set up, whereby if I try to connect to this NATed IP address it would go to the router and come back to me. I'm fine with that, actually; while that would solve the instant problem, it could be bad in

postmulti behind NAT

2013-07-20 Thread /dev/rob0
I've been fortunate thus far ;) not to have to set up multiple instances. Now I'm on a job with a definite need for it: hosting company with domains which might possibly be moved to other providers without notice. My solution to the problem was to completely separate submission (outbound,

Re: postmulti behind NAT

2013-07-20 Thread Wietse Venema
/dev/rob0: The doubt in my mind about this is for mail truly destined to our hosted domains. It resolves to an Internet (not an internal) IP address which is in the MX instance's proxy_interfaces setting. We're in a DC and behind NAT, with that Internet IP address being NATed to this

Re: postmulti behind NAT

2013-07-20 Thread /dev/rob0
On Sat, Jul 20, 2013 at 05:18:58PM -0400, Wietse Venema wrote: /dev/rob0: The doubt in my mind about this is for mail truly destined to our hosted domains. It resolves to an Internet (not an internal) IP address which is in the MX instance's proxy_interfaces setting. We're in a DC and

Re: postmulti behind NAT

2013-07-20 Thread Wietse Venema
/dev/rob0: On Sat, Jul 20, 2013 at 05:18:58PM -0400, Wietse Venema wrote: /dev/rob0: The doubt in my mind about this is for mail truly destined to our hosted domains. It resolves to an Internet (not an internal) IP address which is in the MX instance's proxy_interfaces setting.