Question 1

How does SenderSignal detect blacklist listings?

Accepted Answer

Checks run immediately when you add an asset, on your plan schedule, and whenever you rescan. When a listing is newly detected, alerts can reach your team through the channels you configure.

Question 2

Which blacklists does SenderSignal monitor?

Accepted Answer

SenderSignal monitors 44 or more blacklist vendors, including major DNSBL and URIBL feeds. The vendors available to you depend on your subscription plan.

Question 3

Where do alerts get delivered?

Accepted Answer

Email, Slack, and HTTPS webhooks. Webhooks work well for PagerDuty, Microsoft Teams adapters, and custom automation. You can subscribe each channel to the event types that matter to your team.

Deliverability tools for senders

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