Scanning e-mail servers

[rvanlieshout]

Ok.. so I don't know if we would like to add it or even how we should scan it, but..

We scanned several hosts and with the most recent version we suddenly got hits we did not expect, from servers dat don't even have Java installed. Turns out some of our customers have applications that mail error reports when something fails. This script triggered an exception and the report contained the UUID-based hostname. Somewhere in the path from the server to the recipient a mail server performed the lookup.

We've excluded our infrastructure and mail server and excluded this particular mail client. Although we've informed all we could inform it's currently out of our hands to resolve and I don't know what part is affected. However, it might be interning to try to detect this.

I've managed to reproduce it by sending two mails (one with the string in the subject and one with the string in the body)

The problem regarding testing this would be finding a path to send mail though. I've created this issue to at least dump my thoughts about it