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sendthen

sendthen is a support AI agent for Self-host and manage transactional, marketing, and inbound emails with full data control using local storage. Pricing: Free open source. As of 2026-09-12, KanonAgent records 6 upvotes. First indexed by KanonAgent on 2026-07-20.
sendthen is an open-source, self-hosted email control center that keeps all messages stored locally in SQLite files.
sendthen — official preview image
6 upvotes
Tracked by Kanon since Jul 20, 2026
no signal yet
status
11/100
momentum · conf 0.48
21d
tracked since 2026-08-22
2
evidence records

No signal event on file yet — status is unknown, not "quiet".

📈 Timelinewhat changed, and when
🔎 Known / Unknown 13 of 23 fields unknown
Machine-callable— unknown —
Open source— unknown —
Self-hostable1 inferred —
Bring your own key— unknown —
Autonomy level— unknown —
Pricing model— unknown —
Integrationsses,smtp inferred 1 quote(s)

“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.

🤖 Agent teardown · support
Job to be doneSelf-host and manage transactional, marketing, and inbound emails with full data control using local storage.
Who it is forDevelopers
Prerequisitesself-hostable
Integrationsses · smtp
PricingFree open source
Traction · why it is rising6 votes indicate strong interest from privacy-conscious developers and small teams.
Why it matters

Its emphasis on data sovereignty and developer-friendly architecture meets a growing need for secure, transparent email infrastructure.

Evidence quotesverbatim, from the product’s own materials

“self-hosted control plane”— description
“choose SES, SMTP, direct MX, or local sandbox”— description
API
Signal source: ProductHunt
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FAQ

What is sendthen?

sendthen is an open-source, self-hosted email control center that keeps all messages stored locally in SQLite files.

What does sendthen do?

Self-host and manage transactional, marketing, and inbound emails with full data control using local storage.

Why does sendthen matter?

Its emphasis on data sovereignty and developer-friendly architecture meets a growing need for secure, transparent email infrastructure.

How much does sendthen cost?

Free open source

Is sendthen free?

Yes — sendthen has a free tier. Pricing as stated on its own page: Free open source

Can I self-host sendthen?

Yes — sendthen can be self-hosted.

What does sendthen integrate with?

ses,smtp

How popular is sendthen?

As tracked by KanonAgent: 6 upvotes (first indexed 2026-07-20).

What are the best sendthen alternatives?

Similar AI agents tracked by KanonAgent: Chatbase, Anonymous Startup, Unnamed Company, BackPedal Ltd, uhoh.com, ChatDash, LLC.

sendthen alternatives — similar AI agents

ChatbaseAnonymous StartupUnnamed CompanyBackPedal Ltduhoh.comChatDash, LLC

Where this fits — browse the same shelf

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