yes
Black
computer and iPhone
hyper text marketing language
(This is the layout) firstnamelastname@gmail.com
in japanese, this is used as common greeting between friends. it can be used as greeting when writing emails.
Used as a mass noun, "email" has no plural. However, it can be used as count noun in informal writing. In that case the plural is "emails". (In formal writing "email messages" should be used instead of "emails".) Examples of the mass noun: John received email / much email Examples of the count noun: Peter received an email / 5 emails / many emails In this respect "email" is comparable to "wine", which can be used as a count noun as well, for example in "5 French wines".
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HTML does work in emails but to varying degrees. The name of the game with HTML and emails is testing, testing, testing. Unfortunately each reader interprets the HTML differently so you have to be very specific in your coding. Be warned that css doesn't work well in emails and should only be used inline
No it is not. It is used as an acronym for a number of different things, and is also used with bell emails (example@on.aibn.com).
Gmail can be used to get Emails mainly. It can also be used to get messages from hangouts. It is a complete networking service.
You could check your original account email, to check if you received emails regarding your account (keep in mind that they will have used your username, Phishing emails do not).