On 8/16/2012 3:43 PM, [email protected] wrote: > I have a postfix mail server, 'server', all works fine > > the 'old' server that was formerly used has been 'decommissioned' and is > on a NAT 192.x.x.x IP behind dynamic ADSL as a 'backup' > > the old server still has it's old fullyQ tld.au hostname in it's config > > in the backup server I've entered: > > /etc/postfix/main.cf: > transport_maps = static:smtp:server.tld.au:587 > > should I use IP:587 instead of hostname:587 ? > > what should I do on real server to make it accept all emails from this > dynamic IP ? fwiw, dynamic IP has a backup.tld.au CNAME, can that be used? > > I suspect 'you are not in domain.tld' rejects from server might kick in? > > thanks >
If just delivering mail for your own domain, it should still work. If you need to relay through the new server, you'll need to set up some sort of authentication -- either SASL or use private TLS certificates. http://www.postfix.org/SASL_README.html http://www.postfix.org/TLS_README.html -- Noel Jones
