From my network security professor 🙂

Hi CS6262 star students,

If you're receiving this mail, you should be proud of your accomplishments
in CS6262, as one of the top 10 students in the class.

I very much enjoyed having you in class, and I sincerely hope you enjoyed
the class, too.  We hope you found the material fun and inspiring.  See you
around, and happy hacking. 🙂