Yes, that is so. However, I would not say that it is one of the only ways.
More often than not—and this is confirmed in the surveys—people are no longer getting bills at home. That’s so in my case. We get them by email and we print them ourselves. It saves a stamp. We have to use a sheet of paper, but that is not a big deal. We still pay some bills by mail, but there are fewer and fewer of them.
So what Canada Post has left are the circulars, the flyers, as most people call them, important documents that have to be signed, and cheques. However, even cheques are not delivered by mail anymore. They are often deposited directly. I work in a big accounting firm and, with Canada Post, we have the proof that the document was delivered. That's right, Canada Post. The item has to be delivered quite quickly but there is no need to do so the same day. If we really want it to be delivered the same day, we will call a taxi if we have to. The fact remains that Canada Post provides the proof that the document has been delivered.