I'm not a mutt guru, but sending attachments from cli is terribly simple using uuencode. If possible, you could try something like: uuencode /path/to/attachment | mail -s <subject here> <destination address>
I don't think the command would fail given the user doesn't have a shell or/and a local mailbox.
Yup, and I can specify all the particulars on the email as well, prob is the receiver doesn't recognize uu:(
Mpack doesn't have the configurability that mutt does, looks like I have to keep digging in to it...