公開 こうかい受信 じゅしん しゃ表示 ひょうじではありません
hikōkai jushinshahyōjidewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 非公開受信者表示

1. Not a non-public recipient.; Not designated as a non-public recipient.

Negative
Polite
Formal Register
Computing