yes. the correct spelling would be e-mail
"Field" is not hyphenated.
Yes it should be hyphenated.
No it shouldn't be hyphenated.
It should be hyphenated.
No it shouldn't be hyphenated. It is one word.
It should be hyphenated.
Yes it should be hyphenated.
It should be hyphenated.
No it's not hyphenated: biweekly.
No it doesn't need to be hyphenated.
Yes, open-ended should be hyphenated
No. It is both a hyphenated and abbreviated word. E-mail stands for Electronic Mail.