Qmail + Mysql + Vpopmail.
all sofware were installed correctly, and work without preblem.
on mail server , send and receive mail between local users is ok,and can send outside .
on client,can't receive mail in Outlook, yet send mail is ok .
and Outlook said:
'Incorrectly built binary which accesses errno, h_errno or _res directly. Needs to be fixed'
server error: 0x800CCC90 , error code: 0x800CCC92