Email existed before the World Wide Web.
Why it is true
Electronic mail was already being sent in the 1970s on ARPANET, the precursor to the internet. Ray Tomlinson sent the first networked email in 1971, choosing the @ symbol to separate user names from computer names.
Source: Technology History
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.