Hi, > > > > Would I have to have multiple instances of postfix running to be able > > > > to control which IP is used for which domain? > > > > > > Give each instance its owninet_inteerfaces setting. > > > > > > This is covered in > > > http://www.postfix.org/BASIC_CONFIGURATION_READNE.html > > > > Is there a document that provides a bit more explanation as to how > > this would work? Should I also be reading MULTI_INSTANCE? > > If you want to logically partition your MTA into separate personalities > by domain, rather than operate a single MTA multiple domains (why?), > then multi-instance is the more robust approach when you have a separate > dedicated IP address for each domain for both inbound and outbound mail.
I definitely do not want to have to implement multiple instances. I did it more than 15 years ago and it's certainly an involved process. > Within a single instance, Partitioning inbound email is of course > comparatively simple, but partitioning outbound email, including bounces > is not. Would you explain how I can bind a hostname to an IP and send mail for a specific domain using that IP?
