> On Mar 9, 2018, at 6:53 AM, André Rodier <an...@rodier.me> wrote:
> I would like to know if there is any milter for postfix that would let
> me query a CardDav server?
> The idea is to add a custom header, for instance 'X-Address-Book:
> Personal' if the from email address is referenced in a personal carddav
> address book of the recipient.
> This will be used by a sieve filter, for instance to mark the emails as
> "Personal" / or "importants", al GMail, to keep them in the inbox.
> Otherwise, if you can point me in a direction on how to write this, I
> will be happy. I can write it in Go, C, Perl, Python, etc.
> I hope it's clear, thanks for your help.
I don’t have a solution to your question but out of curiosity, what is your
CardDAV backend ?