Troubleshooting

M365 overriding DMARC results
If an email is delivered to the inbox in M365 even though the email fails DMARC, the first thing to look for is the Antispam Report in the headers of the em...
Wed, 17 Feb, 2021 at 4:03 PM
O365 ONLINE Console Can Display Warning Error For SPF
Some Valimail Enforce and Authenticate customers may see an error in the O365 Online Admin console around their domain's SPF TXT record if they are usi...
Mon, 14 Feb, 2022 at 7:48 AM
Why do I get an "Invalid IP address range" error message when adding a Netblock
In the Enforce UI the configuration section for enabling Netblocks is intended for users to add external and routable IP addresses or ranges of addresses. ...
Mon, 19 Jul, 2021 at 12:27 PM
I can't find a sender in the email service provider configuration list
We frequently get asked about unalignable senders: What should I do about a sender that is not alignable? I want to enable a sender for my domain, but ...
Mon, 8 Mar, 2021 at 11:44 AM
I pointed to Valimail but don't see any DMARC information in Reporting
DMARC data comes from inboxes receiving your mail. They aggregate this data and send it every 24 hours. If you have just started with Valimail, you may not ...
Wed, 3 Nov, 2021 at 10:05 AM
Why is my downloaded report for Unidentified Senders blank?
Question: The Unidentified Senders CSV report I downloaded is blank. But I see data in the UI under the Unidentified Senders section in the Authentication ...
Thu, 6 Aug, 2020 at 4:45 PM
Microsoft 365: "action=oreject" and what to do about it
You have successfully implemented SPF, DKIM, and DMARC in your environment. But DMARC fails from your domain lands in the junk folder of a user in Exchange ...
Tue, 10 Jan, 2023 at 9:05 AM
Why do I see a "null DNS lookup" when I use a certain DNS scanner?
Some Valimail customers have noticed on some security sites that various DNS, DMARC, and SPF records may be reported as  "problematic" for users. ...
Tue, 8 Jun, 2021 at 5:28 PM
Valimail Enforce Offboarding Process
You are never locked into using Valimail Enforce. Valimail does not control your DNS, so you can switch to managing your SPF, DKIM, and/or DMARC yourself (o...
Tue, 19 Jul, 2022 at 2:02 PM
Why do I see email traffic from ladwp.com hostnames on my domain?
While looking at traffic from Unidentified Senders, you may come across various ladwp.com hostnames that are sending mail on behalf of your organizatio...
Wed, 31 Aug, 2022 at 2:21 PM