Setting mail_attach_dir for destination on dsync

Hi.

What is the best way to do this, please ?

I can override with -o but this applies to source as I read the docs.

So I wish to do something like this

dsync mirror -u myuser@me.com mdbox:/home/mail/myuser/mdboxcopy

With either of:

1. attachments stored within message so mail_attachment_dir for dest being blank Or
2. attachments stored in a sub directory of mdboxcopy eg mdboxcopy/attach/

Timo hints that this is possible, but I cannot see how to do this,

Any ideas ?

Sent from my iPad