SMTP
Send, test, and debug SMTP mail flows with safe dry runs, provider-aware auth, and deliverability checks.
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Send, test, and debug SMTP mail flows with safe dry runs, provider-aware auth, and deliverability checks.
Offensive email security assessment covering SMTP open relay, SPF/DKIM/DMARC bypass, email header injection, and email-based attack vectors during authorized penetration tests.
Debug DNS resolution and network connectivity. Use when troubleshooting DNS failures, testing port connectivity, diagnosing firewall rules, inspecting HTTP requests with curl verbose mode, configuring /etc/hosts, or debugging proxy and certificate issues.
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