Hi,
I'm debugging an issue with gmail classifying a simple confirmation email
as spam.
At my gmail account it displays "Why is this message in spam? It is similar
to messages that were identified as spam in the past.". And at a coworker's
account it's displaying the "This message seems dangerous"
Hi,
Over the past two weeks, I started to notice an increase in the number of
S3150 rejections. Example:
550 5.7.1 Unfortunately, messages from [xxx.xxx.xxx.xxx] weren't sent.
Please contact your Internet service provider since part of their network
is on our block list (S3150). You can also refe
Hello,
On Tue, Mar 12, 2024 at 1:16 PM Allen Kevorkov via mailop
wrote:
> Hey folks,
>
> I don't know if it's just us, but I've been getting "we're experiencing
> technical difficulties" response for a number of tickets submitted to
> Outlook.com deliverability support. We're unable to get any i
Hi,
I'm trying to use the "Trap message period" information that is provided by
SNDS in order to detect and remove users that might be sending spam. The
IPs are dynamically assigned and some of them are assigned to multiple
users at the same day.
The issue that I'm experiencing is that, although
Hi,
I'm trying to use the "Trap message period" information that is provided by
SNDS in order to detect and remove users that might be sending spam. The
IPs are dynamically assigned and some of them are assigned to multiple
users at the same day.
The issue that I'm experiencing is that, although
Hi,
I'm experiencing a similar problem. Did you get a reply or found a solution?
The IP is only used to send invoice emails to customers. Basically 3 lines
of text + attached pdf. Very low volume ( less than 1.000 invoices per
month are sent to @outlook.com ).
I've been in contact with Outlook.c
Hi,
On Apr 06 we detected that 28 IPs were blocked in Outlook.com, all with the
following error:
550 5.7.1 Unfortunately, messages from [185.103.9.41] weren't sent. Please
contact your Internet service provider since part of their network is on
our block list (S3150). You can also refer your prov
; Regards,
> Mark
>
> On 2023-04-13 15:25, Fernando MM via mailop wrote:
> > Hi,
> >
> > On Apr 06 we detected that 28 IPs were blocked in Outlook.com, all with
> the following error:
> >
> > 550 5.7.1 Unfortunately, messages from [185.103.9.41] weren't s
Hi,
In case it helps, we're also experiencing similar issues. Some of our IPs
were affected on Sep 26, and almost all IPs were affected last Friday (Oct
04).
We also don't have any red IPs in SNDS. Even high-volume IPs with hundreds
of consecutive green days and no spam trap hits were affected.
gt;
>
> Aloha,
>
> Michael.
>
> --
>
> *Michael J Wise*
> Microsoft Corporation| Spam Analysis
>
> "Your Spam Specimen Has Been Processed."
>
> Open a ticket for Hotmail <http://go.microsoft.com/fwlink/?LinkID=614866>
> ?
>
>
>
> *Fro
Hi,
I was wondering if anyone has experienced a similar issue and was able to
fix it, or if you have any tips on how to escalate a ticket in Outlook.com.
For the past year, our IPs have been getting blocked every 2–3 months by
Outlook.com. What happens is:
1) Start getting the error "550 5.7.1 Un
pping all other DMARC reporting
> receivers combined. Even upping TTL has almost no effect unfortunately.
>
> - Mark Alley
> On 5/14/2025 8:45 AM, Fernando MM via mailop wrote:
>
> Hi everyone,
>
> Is anyone else experiencing intermittent DKIM failures when sending emails
>
Hi everyone,
Is anyone else experiencing intermittent DKIM failures when sending emails
to Outlook.com? This started on May 5th.
If I resend the same message, it’s successfully delivered. By “same
message”, I mean the exact same content, headers, Message-ID, DKIM
signature, etc. Essentially copy/
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