Telus is one of the major Canadian telecom companies, and one of the largest ISP in Canada. As such they provide @telus.com email address, and my thinking is th

Telus is one of the major Canadian telecom companies, and one of the largest ISP in Canada. As such they provide @telus.com email address, and my thinking is that this is why they would add google.com to their SPF record, so that people registering google accounts with their telus email address could receive reminders sent by google but with the user's email address in the from field.