Difference between Microsoft SNDS Lists on HetrixTools

If you’ve already added your Microsoft SNDS Key(s) to your HetrixTools account, as explained in our documentation here, then you might have already noticed that 3 new blacklists have appeared in your Blacklist Reports: Microsoft SNDS Yellow Microsoft SNDS Red Microsoft SNDS Blocklist In this article we’ll explain what each of these lists actually mean. […]

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Add your Microsoft SNDS Key to your HetrixTools account (SNDS Monitoring)

This guide is now deprecated, as explained here: https://docs.hetrixtools.com/microsoft-snds-changes-july-2026/ You can set up the new Microsoft SNDS integration as shown in the current guide: https://docs.hetrixtools.com/configure-microsoft-snds-monitoring/ [DEPRECATED] Our platform can monitor the IPs that you’ve added to your Microsoft SNDS account and notify you as these IPs get blacklisted or delisted on the Microsoft SNDS system. […]

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Enable automated data access for your Microsoft Outlook SNDS account

This guide is now deprecated, as explained here:https://docs.hetrixtools.com/microsoft-snds-changes-july-2026/ You can set up the new Microsoft SNDS integration as shown in the current guide:https://docs.hetrixtools.com/configure-microsoft-snds-monitoring/ [DEPRECATED] If you haven’t added your IPs to the SNDS account yet, you can do so as explained in this article:https://docs.hetrixtools.com/adding-your-ips-to-microsoft-outlook-snds/ Once you’ve added your IPs to the SNDS account, you can […]

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Adding your IPs to Microsoft Outlook SNDS

Before you begin, please note that you will need a Microsoft Account to log into, so if you don’t already have one, be sure to create one before proceeding with this guide. Start off by going to the Microsoft Outlook SNDS “Request Access” page: https://postmaster.live.com/snds/addnetwork.aspx Add your IP address, or IP range, or IP block, […]

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