MIME attachments in mbox files

[Wojciech Puchar]

> I have a need (well, I have lots of needs, but I'll try to stay focused here) 
> to be able to take a Windows zip file that is stored as a MIME attachment to 
> an e-mail message in an Mbox-format spool file, and unzip the attachment. I 
> actually need to script the process. In case it helps, I can dedicate a 
> mailbox to the task. If necessary, I can write my own parser to strip out the 
> attachment, in which case I'd need only a widget that can take in a MIME 
> (base64) encoded zip file, convert it to binary, and unzip it.
>
> Anyone know of any FreeBSD utility(ies) that do(es) this?

i'm not sure if i understand well what you want, but install metamail 
package from ports. there is here program that can just extract all 
attachments to files. then you can unzip