Within the last 2 weeks I've had several ISP customers in CA ask me about
enacting policy that tracks and blocks this kind of behavior. It's
something they've seen an increase of as of late and when considering the
uptick in spam coming from these same ranges, the attitude seems to be
"just block i
Hey all,
Anybody from Mimecast that can ping me off-list?
Thanks,
-Ryan
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If there is anybody from AT&T wireline on the list here, can you please
contact me offline?
Thanks,
-Ryan
Ryan Smith
Proofpoint / Cloudmark
Principal Solutions Architect
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IPs help folks, nobody can do anything if you don't supply those.
On Thu, Jun 6, 2019 at 8:10 PM Mark Dale via mailop
wrote:
>
> Hi Andy,
>
> Do you have a contact at Cox? We haven't had any response from their
> postmaster address.
>
> Regards,
> Mark
>
> Original Message
> Fr
Hello -
Can somebody from Microsoft please assist with this 451 response?
451 4.7.650 The mail server [35.164.127.225] has been temporarily rate
limited due to IP reputation. For e-mail delivery information, see
https://postmaster.live.com (S775) [
SN1NAM02FT053.eop-nam02.prod.protection.outlook.
We've seen a big spike in list bombing in the last few weeks. Individual
mailboxes receiving 10k+ "confirm your subscription" emails, all from
legitimate ESPs. So we heavily rate limited them thinking/hoping that ESPs
would see their queues build up, prompting them to look and see what wasn't
gett
An accident, I'm sure. I forwarded this to them, thanks!
-Ryan
On Thu, Jan 16, 2020 at 4:22 PM Steven Champeon via mailop <
mailop@mailop.org> wrote:
>
> Is anyone from bell.ca here who has any way to fix their DNS? They seem
> to have several blocks that have spaces (\032) in their PTRs, which i
"Please contact your Internet service provider since part of their network
is on our blocklist (S3140). You can also refer your provider to
http://mail.live.com/mail/troubleshooting.aspx#errors.";
I have an ISP based out of AWS that has been getting this error since 1/20.
No way to make a remediat
g> wrote:
> On 2020-01-30 6:50 a.m., rps462 via mailop wrote:
> > "Please contact your Internet service provider since part of their
> > network is on our blocklist (S3140). You can also refer your provider to
> > http://mail.live.com/mail/troubleshooting.aspx#errors.&qu
You could be hitting connection limits, recipient limits, maybe people are
flagging your stuff as spam .. who knows? If you wouldn't mind posting some
IPs that you're sending from so people can look, that'd be a start.
To anybody using this mailing list to try and figure out why they're
getting th
You are connecting too often, or too many times concurrently. Slow your
roll.
IPs are most helpful when asking for help.
-Ryan
On Wed, May 6, 2020 at 6:24 AM Annex Ian via mailop
wrote:
> hello there!
>
> Referring to the cox.com posts: we also see repetitive CXCNCT errors for
> our mx-servers
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