German phrase
Ich habe die Unterlagen per ~ gesendet.
Meaning
I sent the documents by ___
When to use it
It states how they were sent. The tone is neutral and everyday.
Example dialogue
Ich habe die Unterlagen per E-Mail gesendet.
I sent the documents by email.
Danke, ich schaue sie mir gleich an.
Thanks, I'll look at them right away.