HexBrain

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SMTP2GO BBP

1disclosed reports
$100paid in bounties
8,693known subdomains

See its reports on the map

Attack surface: 8,693 known subdomains

a_tcp_tlsapicareerscorporatee1i234103-30-47-2i…197253aapp2ftrack3493aapp40mail43-231-53-15…68-56-200-12…_cisco-uds_collab-edge_cuplogin_dmarc_etcd-server…_mta-stsa0i392a0i92a1i100a1i1000a1i1001a1i1002

8,693subdomains across 1 root domain

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    Not every host here is in scope. Check the program's policy before testing. Last updated 2026-11-13.

    What gets reported to SMTP2GO BBP

    Most upvoted reports

    AllValidInformativeN/ADuplicate

    1. Origin IP found, WAF Cloudflare BypassImproper Access Control - Generic · low
      $10053 votes