On Fri, May 22, 2009 at 08:41:45PM +0200, martin f krafft wrote: > also sprach Wietse Venema <wie...@porcupine.org> [2009.05.22.2010 +0200]: > > > > Is it possiblew to instruct postfix to always deliver to a different > > > > port when it tries to connect to a specific machine? > > > > > > iptables is not an option, since it cannot (yet) translate > > > destination sockets for IPv6. Sorry, should have mentioned. > > > > Use a transport map: > > > > example.com [foo.example.com]:37331 > > I'd need an entry for every one of my couple of hundred domains > since the transport maps are matched on recipient address, not on > the MX domain. > > Since I am using permit_mx_backup_networks, I'd rather avoid > maintaining the list of domains in the transport map on the backup > MX. Thus my asking. >
You can use a pcre map to do it with one entry. Cheers, Ken
