No, it's still correct. Most people filing for the first time will not be able to NETFILE, as the CRA will not have their proper information on file.
However, if you are a non-resident, the CRA has started to accept returns by fax, as the Covid situation as affected postal service Canada and around the world.
You can get an address or fax number to use on this CRA webpage: https://www.canada.ca/en/revenue-agency/corporate/contact-information/where-mail-your-paper-t1-retur...
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