Yet another person today was scammed by an imposter: they spoofed their email to look like mine (monbux.bitcointalk@gmail.com) and requested that the buyer send their bitcoins to an address owned by the scammer.

This is very unfortunate but it is very easy to prevent this from happening to you:

Contact me on bitcointalk instead
and/or
ALWAYS request a PGP signed message from my keybase.io account before transacting anything.