This is a great lesson for any teaching assistant that sends emails from the same computer that their homemade porn stash is on–double check your attachments. Always. After a teaching assistant with the University of Iowa forgot to do just that, students in her class got quite an eyeful.

The TA was supposed to send out a compressed file of homework solutions on Tuesday, but added the wrong attachment and sent out homemade porn instead. A copy of the TA’s email, which was obtained by the TotalFratMove.com reads, “Hi class, I attach the solutions for number 76 and 78 in this email. Best.” The email went out to more than 80 students.

Seems innocent enough, right? Instead of getting solutions to the homework problems, however, the attachments includes a series of nude photos of the TA with a male. The attachments also had some images in .gif form (animated clips). The students that received the email believed the pictures were taken during a cybersex video chat the couple had on Google+ Hangout.

Have you ever sent out an email you instantly regretted? Respond below.

And this is why email providers that offer the ability to recall emails, such as Gmail, are so great. Of course, there is always the option to just not store porn on your computer–at least not one that you ever send anything work-related from.

Lest anyone think that this was all a scheme by the University of Iowa to increase enrollment, an official with the university spoke out on the porn email. UI spokesman Tom Moore said, “We can confirm that a teaching assistant sent an email with inappropriate content to her students. This incident was inappropriate, and the university will look into it and take appropriate actions under our policies and procedures.”

To make matters worse for the young teaching assistant, her students took the issue to Twitter, where University of Iowa students and many others had a field day making jokes and other crude comments about the accidental email.

Class with the most famous TA in University of Iowa history starts in an hour and a half. Wish me luck! Should I ask for an autograph?

— Andrew Merschman (@merschman) October 23, 2013

Welcome to Iowa..where alcoholics are born and students are e-mailed TA porn

— Mackenzie Morthland (@mackenzzzie44) October 23, 2013

Scared to open my e-mail in fear that some of my old teachers here at Hawkeye are copying that U of Iowa math TA & sending out porn videos.

— Andrew McGuire (@andy29mac) October 23, 2013

[Images via Twitter and TotalFratMove]