SYNOPSIS
cvm-checkpassword CVM Command [ arguments ... ]DESCRIPTION
http://cr.yp.to/checkpwd/interface.html
http://untroubled.org/cvm/cvm.html
See the above links for details on both the CVM and checkpassword interfaces. To use this interface with qmail-pop3d(8), use the following command line:
/var/qmail/bin/qmail-popup \
cvm-checkpassword cvm-unix \
/var/qmail/bin/qmail-pop3d ./Maildir/
Note: The default mode of operations for this module is to attempt to split a domain name from the account name. If this is not desirable, set $CVM_ACCOUNT_SPLIT_CHARS to an empty string.