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This must be the persons' fully qualified email address. Guessing here
just won't cut it. There are three parts to an email address. First is
- the recipients identifier, such as "johnq" Next is the domain name
+ the recipients identifier, such as "johnq". Next is the domain name
section, which could take the form "tayloru". Last comes the top level
domain, which could be one of a ton of things like au, cc, us, com, org,
net or might look like edu. So if we put all those together it must be