this post was submitted on 26 Feb 2025
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[–] remotelove@lemmy.ca 1 points 8 hours ago

I have no idea, unfortunately. Tinkering with phones and ways to exploit messaging is something I haven't done in a number of years.

My first guess would be yes? If you ever get a blank email with only the subject line of "Hi", "Hello" or similar, it is simply a test to see if your email address is valid. It's not a stretch to assume there are also simple ways to verify valid numbers that can also recieve text messages.