Here are the instructions for retrieving mail using standard Unix Mail. Unix mail is sometimes convenient to use when Eudora is not available.
Mail Commands t (message list) type messages n goto the next message e (message list) edit messages f (message list) give head lines of messages d (message list) delete messages s (message list) file append messages to file u (message list) undelete messages R (message list) reply to message senders r (message list) reply to message senders and all recipients pre (message list) make messages go back to /usr/spool/mail m (user list) mail to specific users q quit, saving unresolved messages in mbox x quit, do not remove system mailbox h print out active message headers ! shell escape cd [directory] chdir to directory or home if none givenA (message list) consists of integers, ranges of same, or user names separated by spaces. If omitted, Mail uses the last message typed.
A (user list) consists of user names or aliases separated by spaces. Aliases are defined in .mailrc in your home directory.
There are many other tricks that can be used with mail, but this should be enough to get you started. For more information consult the Unix Man pages (online you can find them at www.brandx.net/help) or any standard reference on Unix.