Pegasus Mail & Mercury

Greylisting won't help you because the spammers can just dump their mail onto your backup MX which will then happily relay it on to you from both a trusted and persistent (genuine) mailer and address.   It's unlikely that a UK ISP would neglect to provide an outgoing smarthost (SMTP/submission) server.  But yes, MercuryE is the module ...

I run Mercury with great success, but now that I am handling mail for a few friends I'm worried about data reliability.  I'd like to make Mercury's user/mail files part of a regular, automated backup regimen.  How can I best back up all the user files and configuration?  Is there a way to stop/close Mercury so the files are unlocked or not in ...