My website's support email address is starting to get a lot of spam emails to it, what do big companies do about this?
What do big websites do about spam emails to the support department?
email;spam;spam prevention;customer service
Various enterprise-level email systems have built in spam filters, things like Google Apps, MS Exchange etc. If you're hosting your own email, you'll have to setup your server with some sort of third-party spam/blacklist software, this will be a bit more complicated and will warrant some further research.