I use Gammu to forward received SMS messages from a USB 3G modem to iMessage (which then appears on all my devices) -- https://gist.github.com/rcoup/93460ea39b0

I use Gammu to forward received SMS messages from a USB 3G modem to iMessage (which then appears on all my devices) -- https://gist.github.com/rcoup/93460ea39b05e957e884 https://gist.github.com/rcoup/93460ea39b05e957e884 Unless it's been disabled with 10.11.5 it's still working :)