The salutation is the opening line of your email where you address the recipient directly, usually by name.
Where is salutation placed?
The salutation is a greeting. Its placement belongs two spaces below the inside address and always justified to the left margin of the letter. It should include the title and full name of the recipient, followed by a colon.
What is a salutation and where does it go in the email?
The salutation of a formal email is similar to the salutation of a letter. When writing to someone you do not know by name, you put “To Whom it May Concern.” When applying for a job, you would address the person by, “Dear Hiring Manager.” If you do know the recipient's name, you put “Dear Mr./Ms.