an email I sent to my boss about upgrading was never responded to

Dear Boss,

As per our recent discussion [blah blah]

Thanks for allowing me to leave early on Friday for my appointment.

HnK,
 -Staffy McStafferson

When you get a ‘brown M&M’ response …

Staffy,

I don't remember the discussion about Friday.  

-Jefe Jefenbaum

Then you know you got 'im.