> What happens when the command "sendmail -bH" is used?
It purges the host status database, which basically records which
hosts have been unreachable recently. See section 2.4 of the Operation
Guide (op.ps) for more details.
> Does it cause any damage and if so, is it recoverable?
It doesn't cause any damage. In the worst case, efficiency may be
> What is the best way to purge mail in the queue?
You mean delete queued mail? `rm -f /var/spool/mqueue/*'.
> Finally, how do I forward mail to the other hosts automatically in the
> local network by the server once it has been received from the ISP
Sendmail will automatically try to forward mail to the best MX for the
domain part of the recipient address. If you have any anti-relaying
rulesets, you will need to edit the appropriate files (e.g.
/etc/mail/relay_allo) to allow relaying to those hosts.
-- Glynn Clements <email@example.com> - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to firstname.lastname@example.org