受信 じゅしん がわSPM えすぴいえむではありませんでした
jushingawa esupiiemudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 受信側SPM

1. Was not the receiving-side SPM.; Was not a receiving SPM.

Past/Perfective
Negative
Polite
Formal Register
Computing