Tony van der Hoff grabbed a keyboard and wrote:
> Hi, list,
>
> I have a squeezy VPS, running Postfix to handle all my mail, plus
> several virtual users, with which I'm entirely satisfied.
>
> I also have a number of remote, normally unattended, locations, with
> dynamic IPs, containing IP cameras to keep an eye on things. I'm not
> able to access/change the camera firmware. These cameras send me an
> email if their IP changes, containing the new IP address.
>
> Up to now, I've been manually extracting the IP from the incoming mail
> (on my workstation), and plugging it into a nsupdate script, to update
> bind on the VPS, so that I can access the camera(s) from anywhere on the
> net.
>
> So far, so good, but what I'd really like to do is intercept the
> incoming email on the VPS, and automatically run a script to do the update.
>
> There's an awful lot of information about postscript on the web, even
> some articles that look like potential answers, but googling about has
> not been fruitful. In particular, there appear to be problems with
> priveleges. Naturally, I don't want to do anything that upsets mail
> delivery to the virtual users. Maybe I didn't use the right search terms.
>
> Longer term, I'll install raspberry Pis on the remote networks to
> automatically send an nsupdate to the server on IP change, but in the
> interim, I'd like to automate the manual process above.
>
> Does anyone know how to attach some sort of filter/trigger to postfix to
> cause a script to be run on incoming mail with particular conditions,
> or would anyone like to suggest a better solution?
Look into Procmail, which might already be installed as the LDA for Postfix.
--Dave
Attachment:
smime.p7s
Description: S/MIME Cryptographic Signature