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.
Yes it should be hyphenated.
It should be hyphenated.
It should be hyphenated.
No it doesn't need to be hyphenated.
No it's not hyphenated: biweekly.
Yes, open-ended should be hyphenated
No. It is both a hyphenated and abbreviated word. E-mail stands for Electronic Mail.