The blank page after logging into SNDS has been there since the very beginning, when Microsoft changed the platform.
> On 24 Feb 2026, at 23:02, L. Mark Stone via mailop <[email protected]> wrote: > > While none of our MTAs are blocked (yet), once we successfully log in to SNDS > (https://sendersupport.olc.protection.outlook.com/signin-oidc) we are greeted > with a blank page.
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