[dns-operations] Microsoft

Jim Popovitch jimpop at gmail.com
Sun Sep 29 08:01:06 UTC 2013

On Sun, Sep 29, 2013 at 3:53 AM, Jim Popovitch <jimpop at gmail.com> wrote:
> On Sun, Sep 29, 2013 at 3:43 AM, Noel Butler <noel.butler at ausics.net> wrote:
>> Please fix your DNS servers, I removed a _dmarc entry 6 days ago, its 24hr
>> TTL expired, yes, 5 days ago, so why the hell do you still  have this record
>> cached and using it.
> Ha!  I removed one ~6 months ago.... and since then I've been 550
> rejecting the reports... yet they still come in.

Oh wow.  It was more than 9 months ago (_dmarc.spammers.dontlike.us
was removed on 15-Jan-2013).

Here's the most recent mail.log entry:

Sep 28 23:23:52 svr3 postfix/smtpd[557]: connect from
Sep 28 23:23:52 svr3 postfix/smtpd[557]: NOQUEUE: reject: RCPT from
bay0-omc4-s16.bay0.hotmail.com[]: 550 5.1.1
<dmarc-reports at spammers.dontlike.us>: Recipient address rejected: User
unknown in virtual alias table; from=<dmarcrep at microsoft.com>
to=<dmarc-reports at spammers.dontlike.us> proto=ESMTP
Sep 28 23:23:53 svr3 postfix/smtpd[557]: disconnect from

-Jim P.

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