Hi. Some time ago, we talked about specifying the source address for outgoing mail with the SOURCE_ADDRESS setting in courierd config file.
Now I have a related question: How can I specify a source address for outgoing mail differently for IPv4 or IPv6 connections? Using SOURCE_ADDRESS as I understand it, this effectively disables IPv6 message transmission for that server. Sam stated last time, that it's up to the kernel to use a correct source address for outgoing connections. I did not find anything how to configure a source address for just one application and one protocol family in Linux kernel scope. If someone can point me to any docs for the right part of Linux to do this, this would be good. Alternatively, Sam, you can see this as a feature request for some config element to do as stated above. The background is, that my IPv6 connection is not native but via 6-in-4-tunnel. When doing outgoing connections, the kernel assigns the tunnel-endpoint-address and none of my routed subnet. This is not good regarding to reverse DNS (that I only have for my routed subnet) and SPF. regards, Bernd -- <mage> what should I give sister for unzipping? <Kevyn> Um. Ten bucks? <mage> no I mean like, WinZip?
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