What do you call the closing at the end of a letter?

What do you call the closing at the end of a letter?

A valediction (derivation from Latin vale dicere, "to say farewell"), or complimentary close in American English, is an expression used to say farewell, especially a word or phrase used to end a letter or message, or the act of saying parting words whether brief or extensive.

How do you end a letter to someone you don’t know?

If you do not know the name of the person you are writing to, begin with Dear Sir or Dear Sir or Madam or Dear Madam and end your letter with Yours faithfully, followed by your full name and designation.

How do you end a penpal letter?

Instead of just saying goodbye and leaving it at that, ask a question in addition to your goodbye. This give them something to answer in their next letter. Rather than asking a random question, however, ask something that relates back to the topic of your letter.