No, it is not a message you sent. A spammer just needs to use 1234567890@txt.bell.ca as the sending address in the email where the number is your phone number. The spammers know your number which is why everyone receives Spam messages, and Bell Canada is common in your region, so that service makes it easier for them to remain anonymous just by making that guess on your network. If they are wrong and you do not have Bell, nothing happens and they are likely sending out hundreds of them with different phone numbers at the same time and just need a small number to go through.
It may also be just like you imagined and the message did not come from Bell at all and was a spoofed sending address where they just want you to click the links in that message. For the spammers, it is all about what they can get you to do and what information you provide, so they can build their profile to further target you.
In any case, just delete it and there is no further action needed and nothing that they can do without you providing them the information or clicking the link that notifies them that you may be susceptible to believing what they tell you. Your device is not compromised by clicking the link and they have no access to your data, the link can just be configured to notify them that you clicked it.