On Sat, Mar 15, 2008 at 03:04:07PM -0500, Matt wrote: > > require verify = sender > > My understanding of what this does. If the source email address > domain is hosted on the same box it just checks if it exists. If its > not hosted on the same box it just does a "dig domain mx". Is that > right?
It checks that the sender address is "routeable". What specifically that does, depends on your exim config. I can't see your config, so I don't know what your routers are. However in a simple configuration, it could operate pretty much as you suggest (it doesn't literally use "dig", but it would look up MX records in DNS). > I assume it uses named which is running on the same box I can't tell that either; take a look at your /etc/resolv.conf. -- Dave Evans http://djce.org.uk/ http://djce.org.uk/pgpkey
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