Hi.. We use Solaris+Apache+mysql+Horde+imp. My /tmp file system always is full. I don´t know who (mysql, horde or imp) create this file: dtdbcache_:0, into /tmp. OSCAR ORLANDO LOZANO MANRIQUE olozano@express.net.co Ing. de Soporte Telecomun. Coor. Div. Pymenet ExpressNet S.A. Carrera 4 No. 54 10 (571)5404090 033-2608343 Bogota-Colombia Suramérica