受信 じゅしん がわSPM えすぴいえむじゃなかったです
jushingawa esupiiemujanakattadesu

Noun
Desu Copula

The polite, past negative form of 受信側SPM

1. Was not the receiving-side SPM.; Wasn't the receiver SPM.

Past/Perfective
Negative
Polite
Casual Register
Computing