Capitalization for email greeting: Good morning OR Good Morning [closed]

In an email greeting "Good morning" does the word "morning" need to be capitalized? Is it Good Morning or Good morning?

Solution 1:

Good Morning would appropriate if it where a title or together as one for something but in a general greeting, the lowercase is m is just fine.

Solution 2:

1. If you search Google images for "good morning" you will discover that the following occur on greetings cards:

Good Morning!

good morning!

GOOD MORNING!

However I did not see an example of "Good morning" on a greetings card.

2. If you are writing dialog, only the first word should be capitalised, e.g.

"Good morning!" said John.

"Good morning, John!" I replied.

3. If it is the first line of an email, my choice would be, e.g.

Good morning! Thanks for those photos you sent me ...

but I don't think it would be incorrect to say:

Good Morning! Thanks for those photos you sent me ...

I would say that it is a matter of style.