This tells you that all messages for January 1995 are in this file. This can not only be embarrassing but your message can clog the listserve with a message meant for one pair of eyes only. Personal messages do not belong in a public forum. Another way to look at it is to think of your email message as a postcard that can be read by anyone who is a subscriber. Check with your service for details.
Directions vary for each service.
Leave the subject header blank. Whenever you choose to reconnect, follow directions for subscribing. Put your email address on all professional correspondence. Print your email address on your business card and return address labels. Encourage your professional associations to use email addresses for their officers, presenters at conferences, and authors of articles whenever they appear in association publications.