Commit
a2256ddf3a2535083d027e9930965ca3fa76d79e
by git_commitsmixed backport/revert of receives message rework
undoes part of b60a00ecf66c2dab51ecc2c04d44d1a0b0336b22
Imperfect logic, but, eh, legacy version support - should have only the same bugs that were around back then anyway (notably one packet to multiple users might be modified to multiple users mistakenly)
(commit: a2256dd)