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The routing features are obsolete; they go back to the days when lots of email users weren't on the Internet directly and had to use relays. They are still in
by not2b 5y ago
The routing features are obsolete; they go back to the days when lots of email users weren't on the Internet directly and had to use relays. They are still in the spec, yes.
- jchw 5y agoI assume it comes from similar lineage as UUCP paths. Either way, email standards are a bit ridiculous. It needs the kind of rehaul that occurred with HTML5 of looking at what email implementations actually do and pushing them in one direction. I suspect that is not happening ever, so failing that there will probably always be things in the spec that just simply don’t work across everything anymore.