This is the 7710th most frequent Chinese word.
過電郵
"過電郵" means "via email" or "through email."
In this sentence, '過電郵' means 'via email,' denoting the medium used for sending the document.
我昨天過電郵發了文件給你。
I sent the document to you via email yesterday.
Here, '過電郵' implies using email as a method to communicate with customer service.
你的問題可以過電郵向客服詢問。
You can inquire about your questions with customer service via email.
The phrase '過電郵' in this sentence indicates the method ('via email') employed to deliver notifications.