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Senders.ai
What it is
Senders.ai is a B2B cold-email campaign tool that connects to Claude, ChatGPT, and other MCP-capable clients through its endpoint. Its AI can research prospects, draft email copy, create sequences, and stage campaigns; users approve messages before they are sent. A free account includes domain checks, copy analysis, and tools for building campaigns, prospect lists, and do-not-contact lists. Finding live prospects and sending email require a paid plan. Single supports one customer-owned Gmail or Outlook mailbox and costs $50 a month. Team costs $299 a month, supports up to five mailboxes, and can connect a customer’s Apollo account. Business costs $667 a month and includes managed SMTP, domain and Google Postmaster monitoring, and inbox placement testing. Single and Team cap sending at 50 emails per mailbox per day; Business starts with one managed sender at 200 daily sends. The company describes the product as intended for considered outreach, rather than high-volume cold spam.
For and against
For
- Free account includes campaign and list building.
- Users approve emails before they go out.
- Supports Claude, ChatGPT, and other MCP clients.
- Team can connect a customer’s Apollo account.
- Business includes inbox placement testing.
Against
- Free account cannot send or find live prospects.
- Single and Team cap sends at 50 per mailbox daily.
- No email warm-up is listed.
- Single costs $50 a month.
The verdict
Senders.ai combines campaign preparation with user approval and connects to several MCP clients. The free account supports planning, while live prospect discovery and sending require a paid plan.
Who it suits
It suits B2B teams planning considered outreach of tens to hundreds of emails a day. Teams looking for more than one mailbox or Apollo prospect data can consider Team.
Plans and prices
Single
One Gmail or Outlook mailbox · 50 sends/day · Research, verification, and analysis via MCP · 500 credits/mo
Read 30 Sep 2026 · senders.ai
Team
Up to 5 mailboxes · 250 sends/day total · Shared suppression list and credits · Connect own Apollo account
Read 30 Sep 2026 · senders.ai
Business
Managed SMTP · 200 sends/day base · Domain and Google Postmaster monitoring · Inbox placement testing
Read 30 Sep 2026 · senders.ai
Free
Free account, no card · Build campaigns and plan ICP · Store prospects and suppression list · No sending, research, or data tools
Read 30 Sep 2026 · senders.ai
On the record
- Audience
- The company describes Senders.ai as a B2B tool for teams sending tens to hundreds of considered emails per day, and says it is not built for high-volume cold spam.senders.ai · read 30 Sep 2026
- Data integration
- The Team plan lets customers connect their own Apollo account for prospect data.senders.ai · read 30 Sep 2026
- Data location
- The company says its primary application hosting, database, and backups are in the European Union, while some subprocessors are in the United States.senders.ai · read 30 Sep 2026
- Deliverability
- Business includes domain and Google Postmaster monitoring and inbox placement testing; the site also describes warming and deliverability checks.senders.ai · read 30 Sep 2026
- Free account
- A free account includes domain checks, email-copy analysis, and campaign, prospect-list, and do-not-contact list building; finding live prospects and sending require a paid plan.senders.ai · read 30 Sep 2026
- Integrations
- The product connects through the MCP endpoint mcp.senders.ai/mcp and supports Claude desktop and web, ChatGPT desktop, and other MCP-capable clients.senders.ai · read 30 Sep 2026
- Limits
- Single and Team cap sending at 50 emails per mailbox per day, while Business starts with one managed sender at 200 emails per day.senders.ai · read 30 Sep 2026
- Mailbox providers
- Single plans support one customer-owned Gmail or Outlook mailbox, and Team supports up to five mailboxes.senders.ai · read 30 Sep 2026
- Privacy
- The privacy policy says prospect data and connected mailbox content are not used to build or improve cross-customer datasets, and that the company does not sell personal data.senders.ai · read 30 Sep 2026
- Product
- Senders.ai connects to Claude, ChatGPT, and other MCP clients to help plan and run cold-email outbound campaigns.senders.ai · read 30 Sep 2026
- Security
- The privacy policy lists TLS in transit, application-level AES-256 encryption for stored access tokens and sensitive credentials, password hashing, daily automated backups, and restricted production access.senders.ai · read 30 Sep 2026
- Support
- The site lists [email protected] as its general contact address and offers concierge onboarding on the Team plan.senders.ai · read 30 Sep 2026
- Workflow
- The AI can research prospects, draft copy, build sequences, and stage campaigns, while the user approves emails before they go out.senders.ai · read 30 Sep 2026
