Statistics and debugging options are more limited on the sender to Microsoft
side, but if you have an amenable recipient or an amenable admin on the
recipient's side, requesting them to initiate a message trace should yield
specifics on message deliverability.
If it is Office 365 and not Live/Hotmail, then there are a few more spots.
1) Basic Microsoft Spam Filter.
2) Microsoft deeper check of the links (just had this one give us many issues
with the organizations own link showing as phishing). This is in the security
center under quarantine.
3)
Replied off list.
> On May 9, 2024, at 2:56 PM, Zachary Sverdrup via mailop
> wrote:
>
> Hey Everyone,
>
> I was wondering if anyone here has a contact at t-online and would be willing
> to ask if i could reach out to them directly, or vice versa?
>
> We have been having a heck of a time
On 5/9/2024 3:51 PM, Gellner, Oliver via mailop wrote:
On 09.05.2024 at 20:21 Jarland Donnell via mailop wrote:
Quick question for you experts. What do you find to be the most common root
cause for reports of emails not being received by Office 365 domains, when you
can confirm conclusively
Hey Everyone,
I was wondering if anyone here has a contact at t-online and would be
willing to ask if i could reach out to them directly, or vice versa?
We have been having a heck of a time with delivery for one of our clients
and have gotten a number of conflicting answers from reaching out to
> On 09.05.2024 at 20:21 Jarland Donnell via mailop wrote:
>
> Quick question for you experts. What do you find to be the most common root
> cause for reports of emails not being received by Office 365 domains, when
> you can confirm conclusively that Microsoft accepted the email? Obviously
>
Yes, Microsoft 365 has hosted quarantines. There are two types: user facing
where the user gets a digest every day and they can release messages from it
and an admin quarantine, where only the tenant admins have access to (usually
reserved for malware or other high-risk messages land).
> On
Hello,
(sent again to the list)
On Thu, 9 May 2024 at 20:09, Jarland Donnell via mailop
wrote:
>
> Hey friends,
>
> Quick question for you experts. What do you find to be the most common
> root cause for reports of emails not being received by Office 365
> domains, when you can confirm
Hey friends,
Quick question for you experts. What do you find to be the most common
root cause for reports of emails not being received by Office 365
domains, when you can confirm conclusively that Microsoft accepted the
email? Obviously spam folder delivery should rank high, but what else?
Hi Chris,
We have recently encountered the same behaviour and we also believe it to be an
issue on Microsofts end.
We have confirmed that if you alter the headers to remove the "Original"
component then the signatures will validate again (which is not something we
should need to do)
We'll be
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