Learn English – How to use title in salutation, when recepient’s name is unknown


I'm sending a formal letter to an adjudicator but do not know his or her name. What would be the most appropriate salutation?

Dear Adjudicator:
Dear adjudicator:
Dear sir or madam:
To whom it may concern: 

Best Answer

unknown gender
To whom it may concern - unknown post (Adjudicator in this case)

[from address]


The Adjudicator
[to address]

Dear Sir or Madam

Preferably, Dear [name with title]