During day-to-day work we want to be informed about important jobs or events like backup failures or successes etc. On other hands most of us are using multifunctional printers and wish to sent a scan directly to our email.
If you are using Office365 there are specific requirements that have to me met. Your equipment or your reporting software has to support TLS authentication. If it does, you just need to configure SMTP according to your mailbox settings and of you go. Done.
Problem is if it is not supporting TLS authentication. For that scenario, we need a local SMTP Relay. I am not going to show you how to configure it because is already explained here: http://support.microsoft.com/kb/2600912