送信 そうしん がわSPM えすぴいえむじゃないです
sō shingawa esu pii emujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 送信側SPM

1. Not the sending-side SPM.; Not an SPM on the sending side.

Negative
Polite
Casual Register
Computing