On Mon, 12 Dec 2016 09:44:54 -0500, Brandon Philips wrote: > Regardless, it is hard to find an RFC that says "simply don't do this > because _____". The closest I could find was RFC 922 after sending > this which says:
https://tools.ietf.org/html/rfc1812#section-5.3.5 is probably what you're looking for. Jiri
