we would not expect a love letter to include a formal address and salutation
The man nodded politely to us as they passed and Angus returned the salutation .
At one time the conventional letter salutation employed when writing to a business person whose name was unknown was ‘Dear Sir.’
Asriel comes into the house, Flora greets him in English, and he returns her salutation in Yiddish.
he raised his glass in salutation
She began the letter with a polite salutation : ‘Your Excellency.’
he raised his glass in salutation
For example, the undulating pattern of bold word and definition signal a dictionary while the juxtapositioning of date, address and salutation denote a letter.
We would expect the latter to be considerably more personal and informal than the former, and we would probably not expect a love letter to include a formal address and salutation .
The email addresses are in the salutation to the letter.