(19)
(11) EP 1 234 244 A1

(12)

(43) Date of publication:
28.08.2002 Bulletin 2002/35

(21) Application number: 00980591.2

(22) Date of filing: 21.11.2000
(51) International Patent Classification (IPC)7G06F 15/16
(86) International application number:
PCT/US0031/900
(87) International publication number:
WO 0103/8999 (31.05.2001 Gazette 2001/22)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.11.1999 US 447590
12.04.2000 US 548322
19.05.2000 US 573848

(71) Applicant: Escom Corporation
Oakton, VA 22124 (US)

(72) Inventor:
  • DONALDSON, Albert, L.
    Oakton, VA 22124 (US)

(74) Representative: Saam, Christophe 
Patents & Technology Surveys SAPO BOx 2848
2001 Neuchâtel
2001 Neuchâtel (CH)

   


(54) ELECTRONIC MESSAGE FILTER HAVING A WHITELIST DATABASE AND A QUARANTINING MECHANISM