sendmail: sendmail (mail transfer agent)
sendmail:
sendmail: Eric Allman's mail transport agent. The _Unix System Administration
sendmail: Handbook_ calls sendmail 'The most complex and complete mail delivery
sendmail: system in common use...'
sendmail:
sendmail: Ready-made configuration files are included for systems connected by
sendmail: TCP/IP (with or without a nameserver) and for systems using UUCP.
sendmail:
sendmail: The procmail package is required to handle local mail delivery.
sendmail: