SMTP Server Test
Connects to a mail server — or to the main MX host of a domain — reads its greeting, sends EHLO and, when STARTTLS is offered, upgrades the connection to report the TLS version and certificate. It never sends a message.
- Limits No file upload · Up to 400 runs a day
- Where it runs Runs on our server; no file is uploaded.
- Cost Free, with the limits above. No account needed.
Where to find it
Every address below opens the same tool. The first address is the one to bookmark and share.
- smtp.openvibe.toolsPrimary
People also call this
What it's for: Test a mail server from our server: connection, greeting banner, EHLO extensions, STARTTLS with its TLS version and certificate, and the login methods offered. Ports 25 and 587.
- smtp test
- smtp server check
- mail server test
- starttls check
- smtp connectivity
Use it from code
POST https://openvibe.tools/api/v1/tools/smtp/run- Needs a signed-in browser session or a token with
tools.tool.run. - It answers with the result.
curl -X POST https://openvibe.tools/api/v1/tools/smtp/run \
-H 'Authorization: Bearer $OPENVIBE_TOKEN' \
-H 'Content-Type: application/json' \
-d '{"input":{"target":"example.com"}}'Inputs: JSON Schema · OpenAPI · from JavaScript: tools.run("smtp", …) in openvibe-sdk · How the API works
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