The ZFS script will check ZFS pool health and do scheduled scrubbing.
Modify the below values in the script to your mail admin and mail address.
my $mydomain = $hostname;
my $mailfrom = "sysadmin\@$hostname.domain.com";
my $mailto = "admin\@domain.com";
my $mailhost = "10.10.10.10"; # switch to ip or real mail host