SenderSignal

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

SenderSignal is ranked #7 of 31 in email deliverability software on Inferse. It runs on Web. A free trial is offered.

Compared on email deliverability software

Free plan: Yessendersignal.com
Paid from: $49/mosendersignal.com
Inbox placement monitoring: Yessendersignal.com
Sender reputation monitoring: Yessendersignal.com
Authentication monitoring: Yessendersignal.com
Blocklist monitoring: Yessendersignal.com
API access: Yessendersignal.com

Facts

What it does: SenderSignal offers email reputation building, blacklist and deliverability monitoring, and inbox placement testing.sendersignal.com · 2 Oct 2026
DNS setup: Inbox Boost provisions a dedicated sending server and can generate and publish SPF, DKIM, and return-path records through connected Cloudflare, Name.com, GoDaddy, or Dynadot accounts.sendersignal.com · 2 Oct 2026
Automated warmup: Inbox Boost runs a plan-based sending ramp with engagement signals and pauses automatically if the bounce rate crosses a threshold.sendersignal.com · 2 Oct 2026
Placement testing: Placement tests report where a real email lands across Gmail, Google Workspace, Microsoft 365, Yahoo, Zoho, and AOL.sendersignal.com · 2 Oct 2026
Integrations: Email alerts are available on all plans; Slack and HMAC-SHA256-signed webhooks are available on Professional and above.sendersignal.com · 2 Oct 2026
Other alert channels: The alerts page lists PagerDuty, Microsoft Teams, and Discord as rolling out.sendersignal.com · 2 Oct 2026
Free tier: The free tier includes two monitored domains, email alerts, and two inbox placement credits per month, with no credit card required.sendersignal.com · 2 Oct 2026
Trial: New workspaces start with a 30-day trial that includes deliverability monitoring.sendersignal.com · 2 Oct 2026
Usage limits: The pricing page says assets above plan limits pause with a seven-day grace window, and Inbox Boost volume is metered by monthly credits and capped by plan.sendersignal.com · 2 Oct 2026
Support: The Professional, Business, and Growth plans list priority support; Enterprise lists priority enterprise support with an SLA.sendersignal.com · 2 Oct 2026
Audience: The site presents use cases including agencies, e-commerce, SaaS and transactional email, cold outreach, and high-volume senders.sendersignal.com · 2 Oct 2026
Maker: The pricing page identifies SenderSignal as a product of Info Science Labs.sendersignal.com · 2 Oct 2026