Anyone familiar with this?

I keep getting phone calls constantly from different numbers that are scammers but every time I call back they say if you have any questions or comments contact [email protected], but Im not of the creative type but I know alot of you are so go waste these idiots time, and I will also just mention that I was not on any insecure websites giving out my phone number neither have I given my number out online EVER so I really don’t know why I get these calls.

They are trying to keep you from trolling them. When you call them back your caller id gets put on a list to be called back at a later time. Usually there is an IVR that asks you to press a number to speak with someone, but sends you to that message to send an email, but I can almost guarantee you will receive a followup call the next day if you call the number back, regardless of what they ask you to push or email to send.

Note: A lot of times these are legitimate telemarketers.