do so by an ever growing e-mail flood. In real terms, this leads to mail server capacity problems. As a result, servers may become slow and unstable and ordinary maintenance routines can take a disproportionate amount of time – or users are forced to limit their e-mail volume and thus store their e-mails in PST-files locally, that are not backup up and therefore are into a continuous risk.

For the reasons that mail archiving should be your priority click here