See this example .
Text files require translation when transferred between some platforms.
Generally speaking, transferring text from DOS or Windows to anything else is going to be a pain. Start your mail program as normal for your machine and proceed up to the point where you would write the actual letter. If your mailer includes a signature automatically, erase it from the letter body now. If you're using something else, find out what it is. For Eudora , this might require some doing.