e-mails offering reduced cost for Internet

I have received at least 15 e-mails over the past several months offering me  a reduction of $20 a month for a year if I add the internet to my account.  However, all of these e-mails say the offer "ends 4/14".  What is going on? Is this offer still legitimate or is it a scam?  The most recent e-mail  was today 8/26/25 at  12:11 PM. The subject of the e-mail is "You're eligible for a discount with Xfinity Internet". The sender of the e-mail is "donotreply@updates.xfinity.com"