* Robert Fitzpatrick <li...@webtent.net>: > I am getting a lot of these for various domains... > > Jun 2 07:21:08 esmtp postfix/smtpd[55535]: NOQUEUE: reject: RCPT > from mail.cypresspartners.com[72.242.211.227]: 450 4.1.8 > <onlinebanking.ela...@onlinealert.bankofamerica.com>: Sender address > rejected: Domain not found; > from=<onlinebanking.ela...@onlinealert.bankofamerica.com> > to=<de...@plasticert.com> proto=ESMTP helo=<mail.cypresspartners.com> > > I assume these are legitimate rejects since the helo domain is > cypresspartners.com and I did not find an A record for that domain. > Is that correct?
No. $ host onlinealert.bankofamerica.com Host onlinealert.bankofamerica.com not found: 3(NXDOMAIN) $ host -t mx onlinealert.bankofamerica.com Host onlinealert.bankofamerica.com not found: 3(NXDOMAIN) -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebra...@charite.de | http://www.charite.de
