This is why a friend of mine has the email address "dot at dot at dot at". Yes, that's uniquely parseable back to one valid rfc822 address that works.
I have occasionally wondered about programming language syntax that might take reading aloud into account. Puncutation ends up sounding like Victor Borge: https://www.youtube.com/watch?v=Qf_TDuhk3No and of course Python's indentation is very at risk of ambiguity.