Am Montag, 24. Oktober 2016, 12:07:20 schrieb Michael Mol:
> On Monday, October 24, 2016 06:06:15 PM Sascha Manns wrote:
> > Hi Werner,
> > 
> > Am Montag, 24. Oktober 2016, 17:52:40 CEST schrieb Werner Joss:
> > > Am Montag, 24. Oktober 2016, 11:40:27 schrieb Michael Mol:
> > > > So you want to take a message that exists in an IMAP folder, encrypt
> > > > the
> > > > body,  and replace the existing message?
> > > > 
> > > > I don't know if any existing tools that will do that for you
> > > 
> > > same here :)
> > > but, I also have sometimes the intension of encrypting some existing
> > > emails. usually I collect them in a folder and export that via kmail's
> > > export feature to a tar.bz2 file which is then encrypted with kgpg.
> > > then I delete the mails in the kmail folder.
> > > if needed, I can always decrypt the file and re-import it,
> > > or just browse the unpacked files.
> > > 
> > > not exactly intuitive, some steps required, but I can live with that,
> > > given
> > > this ist not a day-to-day need.
> > 
> > That can be a good way. I'll test it out.
> > Thanks :-)
> 
> This is why I asked what your goal was. What *may* be a good solution would
> be to ditch IMAP and go with POP; move the emails to your local system,
> which presumably uses an encrypted filesystem. 

well, that will cost you all the comfort of IMAP, e.g. you will lose the 
ability to read / use your email (99% of which will probably not need 
encryption) mobile.

> Or use POP to feed a
> protected server that you run, and run an IMAP server on top of that.

that would be better, of course, but not that easy/cheap.

Werner