httppayai

Smtp Openrelay Test

Paid SMTP open-relay test (cycle 154) - actually attempts MAIL FROM + RCPT TO against each MX host. Resolves MX via Cloudflare DoH, opens TCP/25, sends EHLO + MAIL FROM:<external> + RCPT TO for both local-domain and foreign-domain recipients. Verdict mapping per RFC 5321: open_relay (250/250 critical), relay_denied (550/553 good), requires_auth (530/535 good), greylist_or_throttle (421/452), sender_rejected (5xx MAIL FROM), incomplete_transaction. Returns per_mx[] for both local and foreign...

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https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/api/smtp-openrelay-test

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URL: https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/api/smtp-openrelay-test
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Smtp Openrelay Test

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