All of these answers are true but it depends on what person you are emailing. Example...
A. yes because it is very easy to use and most of the time safe
B. yes but people who take their time are regarded as polite and proper and don't just send small emails that aren't thoughtful to people but, small emails are always good because they are quick and easy but not as thoughtful
C. email passwords should be easy for those who may forget and wouldn't stress about someone hacking them but long and hard passwords are good for those who have things to hide
D. refer to answer B
