| #! /bin/sh | |
| HOSTNAME=$(/bin/hostname) | |
| if [ -z "$HOSTNAME" -o "$HOSTNAME" = "(none)" -o ! -z "`echo $HOSTNAME | sed -n '/^[0-9]*\.[0-9].*/p'`" ]; then | |
| # If hostname is invalid, and myhostname not existed in main.cf | |
| /usr/sbin/postconf -h "myhostname" 2>/dev/null | |
| if [ $? -ne 0 ]; then | |
| # Set "localhost" to main.cf | |
| /usr/sbin/postconf -e "myhostname=localhost" | |
| fi | |
| fi | |