September 2000
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/usr/lib/mail/sh/check-hostname
The check-hostname command is a migration aid for sendmail(1M). This command tries to determine the local host's fully qualified host name (FQHN) in a manner similar to sendmail(1M). If check-hostname can determine the FQHN of the local host, it reports success. Otherwise, check-hostname reports how to reconfigure the system so that the FQHN can be properly determined.
The following example shows that check-hostname cannot determine the fully qualified host name for the system paperbark.
paperbark% /usr/lib/mail/sh/check-hostname hosts: Not found. Hostname paperbark could not be fully qualified. We recommend ...