Re: Target mail server IP selection

2015-10-08 Thread Wietse Venema
Dirk St?cker: > > With "smtp_address_preference = any", this random sort mixes IPv6 > > and IPv6 addresses with the same MX preference. Otherwise, an IPv4 > > address sorts before or after an IPv6 address with the same MX > > preference. > > Thanks. I thought so, but couldn't find it. Was the pos

Re: Target mail server IP selection

2015-10-08 Thread Dirk Stöcker
On Thu, 8 Oct 2015, Wietse Venema wrote: I searched the net but didn't find the a description so I ask here. I'm operating two mail servers with postfix and I see that the servers always switch between IPv4 and IPv6 when sending mails from one to the other. Is there a mechanism in postfix to sw

Re: Target mail server IP selection

2015-10-08 Thread Wietse Venema
Dirk St?cker: > Hello, > > I searched the net but didn't find the a description so I ask here. I'm > operating two mail servers with postfix and I see that the servers always > switch between IPv4 and IPv6 when sending mails from one to the other. > > Is there a mechanism in postfix to switch r

Target mail server IP selection

2015-10-08 Thread Dirk Stöcker
Hello, I searched the net but didn't find the a description so I ask here. I'm operating two mail servers with postfix and I see that the servers always switch between IPv4 and IPv6 when sending mails from one to the other. Is there a mechanism in postfix to switch randomly between the IP ad