On Thu, Oct 02, 2014 at 04:10:04PM +0200, Daniele Nicolodi wrote:
> > Oct 2 13:50:59 zed postfix/smtpd[1063]: NOQUEUE: reject: RCPT from
> > bay004-omc1s27.hotmail.com[65.54.190.38]: 450 4.1.8
> > <account-security-nore...@account.microsoft.com>: Sender address rejected:
> > Domain not found; from=<account-security-nore...@account.microsoft.com>
> > to=<r...@grinta.net> proto=ESMTP helo=<BAY004-OMC1S27.hotmail.com>
> > Oct 2 13:50:59 zed postfix/smtpd[1063]: disconnect from
> > bay004-omc1s27.hotmail.com[65.54.190.38]
>
> with minimum editing to prevent disclosing email addresses and clients,
> and where the last email rcpt attemt is repeated a few times.
>
> So, it seems that hotmail is trying to send something to the forwarded
> address, but in a weird way, which seems to be correctly rejected by my
> Postfix server.
I bet the user's account has an auto-responder configured. The
auto-responder sends mail from the bogus domain in question.
Sometimes such accounts are compromised and the auto-responder is
configured by a scammer.
If Microsoft really sends notices from a non-existent domain, shame
on them.
--
Viktor.
