convert sendmail to qmail

hi i have install qmail and vpopmail. i want to convert username, password, letter from sendmail to qmail. how to do?   thanks!

limit user's space

hi i have install qmail and vpopmail. i want to limit user's space. how to do?     thank  

vpopmail with oracle

i have configure and make vpopmail with oracle. but no table create. why? where i can find log?

qmail with oracle

hi all   i need to config vpopmail authenticate users with oracle. so i install oracle 8.1.6 and make it work fine. then modify voracle.h and config vpopmail as   ./configure --enable-oracle=y   then make. the error is: gcc -I. -I/usr/local/oracle/u01/app/oracle/product/8.1.6/pr