Multiple daily email from "Anacron job 'cron.daily' on xbian

[Smultie]

Ever since installing sstmp on my xbian-box (needed it to get emails from SickRage) I get multiple e-mails per day stating that:

"Anacron job 'cron.daily' on xbian
"Delivery to the following recipient failed permanently:

postmaster@10.0.1.5

Technical details of permanent failure:
The recipient server did not accept our requests to connect. Learn more at http://support.google.com/mail/bin/answer.py?answer=7720
[(0) 10.0.1.5 [10.0.1.5]:25: socket error]"

Any Linux-guru that knows how to prevent these?

[Smultie]

Noone?

[Skywatch]

I am getting daily and weekly emails from my Xbian pis and would like it to stop!

I have looked and there is nothing in crontab about this, so what is the mechanism of sending these and what is the 'proper' way to stop it?

Please?