Yes you do. The comma comes after the name, like this:
Dear Fred,
Glad you are feeling better.
Love, Blobbert
If you're writing a letter, after Dear Billy is should be a comma.
exclamation poi nt. It should be-- Hi!
In business letters, you should use a colon (:) if you use any punctuation. The new way is to have no punctuation after the greeting in business letters. But if you omit punctuation there, you also have to omit the comma after the closing. In personal letters, people use a comma after the greeting.
Dear Excellency as a greeting in writing, Your Excellency when speaking TO him, and His Excellency when writing or speaking OF him.
The opening of a letter is called a salutation. It typically includes a greeting, such as "Dear [Name]," followed by a comma.
No - Hello Ralph, I was wondering if we could discuss .... Yes, there should be a comma between "Hi" or "Hello" and the person's name because it is a "direct address" to the reader and not about the reader. Most people fail to use this formal rule of etiquette and writing because they failed to be educated to do so. In emails, due to their general informal nature, use of the comma between the greeting and person's name is not required, but is nonetheless appreciated as the formal standard rule of punctuation. The comma should always be used between the greeting and person's name, however in a business letter. * Never use a comma between "Dear" and the reader's name.
Depending on if it is a Business or Casual letter, you should start with a greeting, i.e.: Mr. Smith: (Business greeting) or Dear Sara, (casual/friendly greeting).
If you know the person's name, then try "Dear Chancellor Anderson" (replacing Anderson with the actual last name). If not, then "Dear Chancellor" is fine. The "Dear" is optional. "Chancellor Anderson" would be fine as a greeting. Put a comma after whatever you use. Avoid use of the first name unless you already know the person and their comfort level with informality.
The salutation is the first greeting that appears at the beginning of a business or personal business letter. The recipient's name is usually used after "Dear," as in "Dear Mr." or "Dear Ms. ." to whom it may concern, or "Dear Sir/Madam" should be used if the recipient's name is unclear.
it needs a comma
Formal salutations are always followed by a colon. (Dear Sir Only in informatal writing do you use a comma. (Dear Sue,)
It used to be considered correct to put a comma after the saltation as: Dear Sir, Nowadays the comma is often left out.