Like the Android version, it can tweet, reply, delete, favorite and retweet but it cannot alas email.
This terminal-based Twitter client can be operated interactively or automated using command-line parameters. To prevent your bash history from getting cluttered with unsightly tweets, you cannot specify the message in the command line. However, you can do pipe redirection or use a text file. The Twitter client is extremely powerful so I have not documented all of its features in the help.
EmailTweetor was made with Oracle Java version 1.8.0_101. So, ensure that your JVM (Oracle or OpenJDK) is newer or equivalent.