It's now possible to donate to virtual-qmail project. Donations can be made via MoneyBookers - https://www.moneybookers.com/app/send.pl. It's a very easy process. As a receiver e-mail use paweln at users.sourceforge.net, or new at foo-baz.com.
Donating to this project means more options, better quality, more frequent releases.
You can also request features (donating for features gives them highest priority).
Virtual-qmail project will appreciate every donations.