I was able to access my portal via this link.
SNDS - View Data
<https://sendersupport.olc.protection.outlook.com/snds/data>
Paul
On 6/15/2026 10:42 AM, Jayson Smith wrote:
Hi,
In the past whenever I had a problem with my IP being put on
Microsoft's infamous internal blocklist, I used the resources at their
SNDS sender support site to get it fixed. I had a script which used a
URL containing my API key so I could check that my IP wasn't on their
blocklist without having to go to their site. This is important
because although I've spun down my Mailman installation, I still send
about eight messages a year to over 400 subscribers as part of a
non-Mailman mailing list. A few days ago I noticed that SNDS doesn't
seem to be where it used to be, it just points to the new Microsoft
Postmaster site. Even their own links to SNDS on their support pages
within this new site seem to go to the same place. Does anyone have
any idea what they've done, what's going on, etc?
Thanks,
Jayson
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