The Sendmail package contains mail.local, rmail, smrsh, editmap, makemap, mailq, newaliases, sendmail, vacation, praliases and mailstats. mail.local appends its standard input to a user's mail file. rmail interprets incoming mail received via UUCP. smrsh is a restricted shell for Sendmail. editmap queries and edits Sendmail map files. makemap creates Sendmail map files. mailq prints a summary of waiting mail messages. newaliases rebuilds /etc/mail/aliases.db. sendmail is the Sendmail mail transport agent. vacation is an email auto responder. praliases displays current Sendmail aliases. mailstats displays Sendmail statistics.