Microsoft's Mac Business Unit has released new junk mail protection software for Entourage 2004.

The software - Junk email Filter Update 1 - is an optional install that furnishes the existing Entourage 2004 junk email filter with a "more current definition of which email messages should be considered junk email", the company said.

The filte takes 5MB drive space and is available in Dutch, Engllish, Spanish, French, Italian, Japanese and Swedish.