"Spam is a plague on the Internet. It's constant and unending.
Some ISPs and free web mail providers offer anti-spam services but
if you're running your own mail server, accepting mail to your own
domain, you have to work out your own solution. Can open source
compete with the big boys? When it comes to spam, is there a free
"First, some commercial pricing: want Symantec Mail Security?
Depending on the number of licenses you buy you're looking at $AUD
32 per mailbox to cull out virus e-mails; it's then another $AUD 31
per mailbox to license the anti-spam addon; without this Symantec
mail security will leave spam alone. You can't buy it by itself.
For a company with 100 mailboxes, you're looking at $AUD 6,300 to
keep spam out..."