-C charset

Specify the client character set. If not specified, the character set defaults to builtin-codepage-437. Valid character sets include:

builtin-mac-roman

builtin-iso-latin-1

builtin-unicode

builtin-codepage-437

You can use additional character sets if you install TAS. 

servername

Specify the name of the remote server. 

text

Specify the message text you want to send.