On 23 February 2018 21:44:20 Grant Taylor via mailop wrote:
This almost sounds like automated link content scanning.
Probably
That's a great mechanism for confirming active email addresses to spammers
using tracking links...
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Check out Google’s transparency report
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~
Matt
> On Feb 22, 2018, at 13:04, Michael Storz wrote:
>
> Am 2018-02-22 16:40, schrieb David Hofstee:
>> Hi,
>> A quick question... Does anyone have numbers on:
>> - the (volume) percentage o
Good catch, Grant. They are GET requests. Our developers implemented the
List-Unsubscribe HTTP method a long time ago and it appears that it was never
updated to comply with RFC 8058. I'm still curious as to why I'm only seeing
this with .edu domains hosted on Office365 and not Office365 in gene
On 02/23/2018 12:28 PM, David Carriger wrote:
With the exception of Rutgers, these are all hosted on Office 365. Once
the mail has delivered, I'm seeing all of the links inside the email hit
within a span of time varying between 1-10 seconds. For example, here's
an unsubscribe in our database f
On Fri, 23 Feb 2018, David Carriger wrote:
I've just received an interesting escalation from our support team. We have a
customer sending mail to recipients at the following domains:
[...]
With the exception of Rutgers, these are all hosted on Office 365. Once
the mail has delivered, I'm seei
I've just received an interesting escalation from our support team. We have a
customer sending mail to recipients at the following domains:
andromeda.rutgers.edu
apsu.edu
barry.edu
bsu.edu
ccsnh.edu
clarion.edu
cofc.edu
dcccd.edu
gsu.edu
hofstra.edu
king.edu
letu.edu
mail.barry.edu
mansfield.edu
Our outbound queues were mostly empty and the last log entries were about 1 am
CST, but we had some more between 6 and 9:15 am.
Frank
-Original Message-
From: mailop On Behalf Of frnk...@iname.com
Sent: Thursday, February 22, 2018 10:31 PM
To: 'Benjamin BILLON' ; mailop@mailop.org
Subje
I've seen this too. Started earlier this week (Feb 19th). A big uptick in
the number of "4.7.500 Server busy. Please try again later..." responses
from Hotmail. I was assuming they were reputation related (spike in
complaints and/or sending volume maybe). But they seem to be especially
aggressive o