All recruits are ordered to write (not email) letters to family during Basic Training.
No, it is virtually never appropriate.
You can write him letters, which is the traditional way, but there are also ways to email him and do video chats with him as well nowadays.
Typing a word entirely in capital letters to emphasize a word when writing a message in an IM application or email. For example if you want to yell at someone over an email, then you write the whole message in capital letters and with exclamation marks.
Spam letters are letters that advertise email.
write it like you would a regular email
Yes, I can write letters of recommendation.
Vote them out, lobby them, protest, write letters, call, email, form interest groups, run for office, become active in politics and the community.
When you write an email to them...
The question is unclear. Do you mean write to your mum as in email or letters? You just write whatever you want and send it out -- no need to write anything formal to your mum! If you mean write to your mum on WikiAnswers, this is a question and answer site, not a letter writing site, so sorry.
No, "e-mail" should not be capitalized; it is not a proper noun.
To send letters of recommendation to universities, you typically need to ask your recommender to write the letter and then provide them with the necessary information to submit it directly to the university through their designated application portal or email address.