SMTP Senpai
No liveness check has reached it yet; it has been in the index since 9 Oct 2026. How this is checked
SMTP Senpai is a hosted SMTP relay and API service for sending transactional emails from websites and applications. It provides port 2525 access, DKIM support, EU-based servers and data, and a 14-day trial for developers and businesses.
Inferred · not functionally tested
Overview
6 featuresPurpose: Delivering reliable transactional emails from websites and applications without operating an email delivery infrastructure.
Inferred · not functionally tested
Audience: developers and businesses sending transactional email
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: unknown
Recorded constraints: pricing: paid · license: Proprietary · platforms: API, CLI, WEB · deployment: browser, cli, cloud_managed, api_only
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: en.mailsenpai.com. These links do not verify the individual claims.
In the Email & SMS campaigns space, SMTP Senpai takes a focused approach. Inferred · not functionally tested: It focuses on delivering reliable transactional emails from websites and applications without operating an email delivery infrastructure. Inferred · not functionally tested: It is built as a B2B product for developers and businesses sending transactional email. Basis unknown · not verified: SMTP Senpai is paid, starting at $14. Basis unknown · not verified: It runs on the web, the command line, and API.
MailSenpai builds and maintains SMTP Senpai. Inferred · not functionally tested: Key capabilities include SMTP relay, Email API, and port 2525. The interface is available in English and Italian. Inferred · not functionally tested: Catalogued interfaces include a public API.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- SMTP relay
- Email API
- Port 2525
- DKIM support
- EU servers
- Transactional email
Topics: Inferred · not functionally tested
Built with & integrations
- WordPress
- /wp-content/ in the HTML · /wp-json/ in the HTML · /wp-includes/ in the HTML
- Cloudflare
- cf-ray header · cf-cache-status header
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about SMTP Senpai
- What is SMTP Senpai?
- Inferred · not functionally tested: SMTP Senpai focuses on delivering reliable transactional emails from websites and applications without operating an email delivery infrastructure. It is catalogued under Email & SMS campaigns on PulseGate.
- Who should use SMTP Senpai?
- Inferred · not functionally tested: SMTP Senpai is a B2B product built for developers and businesses sending transactional email.
- How much does SMTP Senpai cost?
- Basis unknown · not verified: Paid plans start at $14.
- What platforms does SMTP Senpai run on?
- Basis unknown · not verified: SMTP Senpai runs on the web, the command line, and API.
- Is SMTP Senpai still maintained?
- Unverified. SMTP Senpai has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- Who develops SMTP Senpai?
- SMTP Senpai is developed by MailSenpai, based in Italy.
- What languages does SMTP Senpai support?
- The interface is available in English and Italian.
- Does SMTP Senpai have an API or integrations?
- Inferred · not functionally tested: Yes — SMTP Senpai exposes a public API.
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