IIRC, we don't give an automatic email for students.

I'm in the first year of the University of Buenos Aires. Everyone with a high school title can get into the First Year, no filtration before the first year. There are more than 50.000 students per year. The fist years is shared between the 13 Faculty (branches?). Each one has a different policy about the email for students. Moreover, inside each faculty each department has a different policy about the email for students (IIRC ~20 years ago in computer science every student got an email, but in math you got an email only after getting a undergraduate-TA position in ~3rd year).

Now the whole University has a deal with Microsoft so I got an email there. And also the First Year has a deal with Google so I got another email. Each faculty may self host or has another(s) deals with someone else, so I have another email in my old faculty. Three in total. I may even ask nicely to get a email as visitor in other departments/faculties, but I'm too lazy to do that. And some coworkers work in two or more faculties so add a few more emails for them.

Back to students, I have no idea how many emails they get now. Also, they may get the email a few months after the semester began, or not, I'm not sure and in the best case we definitively can wait until all the paperwork is done.