Free · runs in your browser

EHLO Capability Viewer

List EHLO/AUTH/STARTTLS capabilities.

How it works

EHLO Capability Viewer

List EHLO/AUTH/STARTTLS capabilities. Runs in your browser — you can email the result.

Results appear here after you click Run.

Ready to send from your product? MailShrine Developer API uses the same DNS, webhooks, and SMTP patterns this tool inspects.

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