Not only does this tie up your phone line, but if your modem unexpectedly drops the connection, you often lose the message. Many users experience problems printing e-mail from Elm. However, these clients still share many of Elm's drawbacks. You also don't have to stay online while reading messages and composing replies, which is a boon for graduate and adjunct instructors trying to get more mileage from their time-limited DCANet cards.
Printing is also much more reliable from a desktop e-mail client.