> customerx does not have a direct connection to the internet. he only can > sends mail over a mail exchanger. But he should be able to update a file > on the firms webserver. therefor he have to send this file as an > attachment to the server who now have to put it in the right directory. ok. i think that's easy.
> But the user also have to prove his identity (for example over a password) hmm. hmm.. so user only have access to mailx, and you want him to prove his identity ? how? by putting passwd in message body ? > procmail can not do this, can it ? with a little bit of help.. why not. I imagine procmail sending message to some perl script doing all the stuff. It could .. like test pgp signature or sth.. Never seen a ready product doing what you want, but it shouldn't be that hard to write.
