On Fri, Jul 05, 2019 at 02:32:42PM +0000, David Jones wrote: > On 7/5/19 9:03 AM, Henrik K wrote: > > On Fri, Jul 05, 2019 at 01:37:50PM +0000, David Jones wrote: > >> > >> For the sake of others, it would be beneficial if the default behavior > >> of X-Relay-Countries changed to the X-Relay-Countries-MSA. > > > > I renamed it X-Relay-Countries-MUA since it's more describing. It lists all > > after the MSA itself. > > > > What you suggest is not possible, since -MUA will be empty if there isn't > > any MSA (and MUA after that) in the received chain. If this is unclear, > > please let me know how to document it better. :-) > > > > If the -MUA is empty, wouldn't it simply work like it does today and > RelayCountry would skip all trusted relays? In this example it would > not fire at all just like it already did.
That's still breaking backwards compatibility. People should expect X-Relay-Countries to be empty, even when there is MSA used. It doesn't really cost anything to create a new header for this. Those who want to use it for MSA/MUA identification, can do so with the new header. PS. Check out the bug, I'm still contemplating a few things...
