Just received this text, looks dodgy but the URL looks genuine....
>> Hello, BT here. Fancy getting your hands on free tickets to exclusive sporting events and concerts?
After a year of helping all our customers stay connected online, we're celebrating re-connecting in person.
Opt in to latest news and updates from the BT family - that's BT, EE and Plusnet - for your chance to win.
Sign up here http://go.bt.com/RegisterToWin/Q235I3 by midnight 3rd September.
Terms Apply. Text STOP to 61998 to opt out of all text message marketing.
I believe that is genuine and the url is too.
For numbers BT use for messages please see https://www.bt.com/help/landline/i-ve-just-got-a-text-from-61998-or-60204--is-this-a-genuine-mess
It's legit, I got the same one, sender was BT, it also confirmed the end of the BT account number and BT ID
I'm not a sports fan so I binned it though, if you enter good luck 🙂