On Thu, May 04, 2006 at 11:21:56AM +0100, James Davis wrote: > > I've setup a Linux-HA cluster using Heartbeat and I'm looking at the > best way to setup a highly available SMTP service. I've got two ideas. > > 1. Have a single MX record that points to the IP address held by the > active node in the cluster. This copes with hardware failure fine but > doesn't fail gracefully if there's a problem with exim. > > 2. Setup each node as as primary and secondary MX hosts and have them > store and forward the messages onto the IP address of the active node. > I'd prefer this solution but what do I need to do to route mail > according to the IP address it was received upon? I want to be able to > forward the message to the shared IP address if it's not received on it. > > If there's a third, obvious and sensible solution I'm missing - please > let me know :-)
3. Use the heartbeat servers as redirectors and have a bank of servers behind them as your mail server. http://www.ultramonkey.org/3/topologies/ha-lb-overview.html Steven. -- Of what you see in books, believe 75%. Of newspapers, believe 50%. And of TV news, believe 25% -- make that 5% if the anchorman wears a blazer. -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
