關於Email能否作為證據，我在老貓版主給的資料中讀到以下敘述

Any email, text message, tweet, voicemail, or digital communication made by a party opponent that is introduced against him/her is not hearsay, as it is an admission under Rule 5-803(a). 

我對這句話的的理解是，被告的Email 和text是可以用來作為證據起訴被告的。

這是老貓給的鏈接：

http://c.ymcdn.com/sites/www.barmont.org/resource/resmgr/Electronic_Evidence_Materials_May_14th/Admissibility_of_Electronic_.pdf