In February 2012, Orkut implemented an automated system to prevent spam.
But many spam experts say that these suits do little to actually prevent spam.
So how do you prevent spam?
The policy as stated is insufficient for preventing spam.
The other major approach to preventing spam is to block any messages sent from computers and e-mail addresses known to be used by spammers.
Pocomail also includes a strong Bayesian filtering engine for preventing spam.
Of course, even national legislation would do little to prevent spam sent from overseas, as a great deal is.
On the other hand, this feature is limited to strictly earning one credit per each three hour period, which helps to prevent spam and avoid repetition.
This is used as a measure to prevent spam.
The Presto service (www.presto.com) allows you to add e-mail addresses to a list of trusted senders to prevent spam.