Forum Discussion

Copper Contributor

Dec 09, 2021

Outgoing emails falsely marked as SPAM / Phishing emails by Outlook servers

Since 10/26/21 our organization has been experiencing widespread email deliverability issues with Microsoft / Outlook clients. These are legitimate / wanted emails sent to opted-in users - existing c...

exchange

office 365

Outlook Customer Manager

Copper Contributor

Dec 09, 2021

Thanks for the reply. But unfortunately, none of these resources are necessarily relevant to our issue. We are the sending domain, not the receiving domain.

It is our end user clients who are using Outlook and unable to receive emails from us containing work product. These are legitimate / wanted emails that are falsely being flagged as spam by their Outlook client inboxes.

Deleted

Dec 09, 2021

https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/use-the-delist-portal-to-remove-yourself-from-the-office-365-blocked-senders-lis?view=o365-worldwide

ExpertInstitute
Copper Contributor
Dec 14, 2021
Thanks again, but unfortunately this also does not apply. Because we are using Shared IPs from services like Gmail, Hubspot, or SendGrid. We've also determined that the issue is not IP related, but domain related.
- PTRoxyW
  Copper Contributor
  May 24, 2022
  ExpertInstitute
  
  I am having what sounds like the same issue. Did you ever figure it out?
  - GregPhex
    Copper Contributor
    Jun 01, 2022
    Exact same issue here. Hoping for an update from ExpertInstitute as well