hursday, June 28, 2018 2:19 AM
To: mailop@mailop.org
Subject: Re: [mailop] Recent "banned sending IP" errors when sending to
Microsoft
On Thu, Jun 28, 2018 at 12:47:13AM -0500, Michael Rathbun wrote:
> On Wed, 27 Jun 2018 20:42:16 +, Michael Wise via mailop
>
I saw this the first time on 15th may 2018. I unlisted an IP even today.
The unlisting is very fast and, at this time, IPs unlisted have not
been relisted.
In my case it happened with IPs from 3 different ranges. One of the
ranges had most of the IPs involved in the weeks, while the other 2
range
On Thu, Jun 28, 2018 at 12:47:13AM -0500, Michael Rathbun wrote:
> On Wed, 27 Jun 2018 20:42:16 +, Michael Wise via mailop
> wrote:
>
> >
> >Office365 and Hotmail/Outlook/Live/MSN are very much distinct systems,
> >even thought they are now running on the same hardware.
> >Sort of like BAS
On Wed, 27 Jun 2018 20:42:16 +, Michael Wise via mailop
wrote:
>
>Office365 and Hotmail/Outlook/Live/MSN are very much distinct systems, even
>thought they are now running on the same hardware.
>Sort of like BASH vs TCSH.
Given an episode where a client is seeing the "unfortunately not de
Reporting
Tool<http://www.microsoft.com/en-us/download/details.aspx?id=18275> ?
From: mailop On Behalf Of Alexander Burch
Sent: Wednesday, June 27, 2018 1:27 PM
To: mailop@mailop.org
Subject: [mailop] Recent "banned sending IP" errors when sending to Microsoft
Yes we started
.154.163 not listed in the above spf record.
> You might want to fix that.
>
> Also, the DKIM signature from mdp.comcast.net is broken -
> reason="signature verification failed".
>
>
> -BEGIN PGP SIGNATURE-
> Version: GnuPG v2.0.14 (GNU/Linux)
>
> iEYE
That looks like the standard Office365 "you got listed" message. Even
legitimate B2B bulk mail will now and then generate these. Just follow the
instructions; delisting is straightforward. If it recurs, of course, you
might have a troublesome mailer on your hands.
John
On Mon, Jun 25, 2018 at 12
Has anyone else noticed these errors? We hadn't really seen them
previously. They look like this:
smtp;550 5.7.606 Access denied, banned sending IP [xxx.xxx.xxx.xxx]. To
request removal from this list please visit https://sender.office.com/ and
follow the directions. For more information please go
