vpopmail with Oracle

[vinient]

hi   iam trying to install   qmail vpopmail oracle   iam able to compile the vpopmail 4.9.6-1 the compilation goes smoothly after that iam trying to add domain iam getting folloing error   [root@domain bin]# ./vadddomain domain.com                                    Please enter password for postmaster:                                           enter password again:                                                           Error: Username exists   what could be the problem   any help will appriciate ---- for info   i was gone in to oracle and saw, there is no table called vpopmail is vpopmail will create a table when we make install-strip iam using default databse orcl. with system/manager  the voracle.h looks like this   #define ORACLE_SERVICE       "ORCL"                                             #define ORACLE_USER          "system"                                           #define ORACLE_PASSWD        "manager"                                          #define ORACLE_HOME          "ORACLE_HOME=/oraeng/app/oracle/product/8.1.6"     /* End of setup section*/                                                                                                                                       /* defaults - no need to change */                                              #define ORACLE_DEFAULT_TABLE "vpopmail"                                         #define ORACLE_DATABASE      "orcl"                                             #define ORACLE_DOT_CHAR '_'                                                     #define ORACLE_LARGE_USERS_TABLE "users"    thanks advance for any help thanks   looking forward   vinient