Greetings came two addresses in the space below and usually begins with a respectable conventional greeting followed by the title and the name of the recipient. Punctuation was followed greetings in style open punctuation. In the standard punctuation style, colon (official papers) or commas (informal letter) follows the greeting.
When the recipient's name is unknown, several options are available:
Ladies and Gentlemen: (or vice versa) Ladies: (all female)
Dear Sir or Madam: (or vice versa) Gentlemen: (all male)
Dear Friends: Dear Friend:
Regards sexist, for example, respect, gentlemen, etc., are not used.
When there is no non-gender seems appropriate alternative, simplified letter format (eliminating salam) can be used.