The phrase "addressees of" is correct and usable in written English.
It can be used when referring to the recipients or intended audience of a message or communication.
Example: "The addressees of this letter are all the stakeholders involved in the project."
Alternatives: "recipients of" or "audience of".
Mr. Blair delivered his warning to the British Parliament, but the real addressees of his message, he indicated, were Muslims around the world.
We all knew that the true addressees of her translation were not the deaf but we, the ordinary voters: the true message was that the party stood for the marginalised and handicapped.
The placement of Q material in Luke and Matthew disagrees at certain points according to the needs and theologies of the addressees of the gospels, but in Matthew the Marcan chronology is the basic scheme into which Q is put.
In his resignation letter to the chairman of English Heritage, Sir Laurie Magnus, Edgerton wrote: "By examining the addressees of the agenda for the next meeting, I discover that you are creating a panel of radically different character, one which I believe is neither appropriately expert or representative.
Edgerton, a historian and a panel member for six years, who only learned of the new appointments when he examined the addressees of the agenda to the next meeting, said he feared the appointments had been made purely to encourage donations.
This additional information is crucial for addressees of financial statements to understand whether the R&D project is successful.
Speakers design most forms of disfluencies as signals, communicative acts, for coordinating with their addressees on certain of their speech actions.
I needed Laura as the addressee of the novel even though she barely appears in it.
The writers sometimes remind the deceased addressee of the water and offerings they have brought to the tomb.
The addressee of the card was a member of Hitler's regimental headquarters, supporting the idea he had cut his ties with his pre-war acquaintances.
Like Ambition and Poesie, the addressee of "To Autumn" may be allegorical, Keats taking his cues not only from Spenser's "Mutabilitie" cantos, but from Chatterton's "Ælla: A Tragicall Interlude", both of which feature a male Autumn.
