Smokeping alerts will not work by default.

Key aspect is that the Perl CPAN module Net::SMTP is missing. You must
install this module and one missing item for CPAN by doing:

# apt-get install ncftp
# perl -MCPAN -e shell 

Now you'll be presented with many questions. Just choose the default
for everything. Choose a few CPAN ftp servers that are local. Once 
your CPAN environment is configured, then to install the Net::SMTP
module you do:

cpan> install Net::SMTP

Again, you will be asked several questions during installation. Press
<ENTER> to choose the defaults.

You can verify that Net::SMTP is install in CPAN by doing:

cpan> install Net::SMTP

again and you will get back:

"Net::SMTP is up to date."

Now to exit and continue do:

cpan> quit

# /etc/init.d/smokeping restart

and, in theory, alerts should now work if you have configured Smokeping
correctly. 
