No, doesn't work. No connections at all, I'm monitoring /var/log/messages.
Could you try again?
@nestor I don't have spam mail and nothing hits my mail server. I think this may be because scrapinghub mail sending is misconfigured, my server is IPv6 only.
Check your spam/junk mail and also make sure that your server is not blocking any incoming emails from @scrapinghub.com