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Add Optional MX Lookup Cache for Enhanced Bulk Email Verification #143

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Add Optional MX Lookup Cache for Enhanced Bulk Email Verification #143

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Features

  • Optional MX Lookup Cache: Disabled by default. Enable it by calling emailverifier.NewVerifier().EnableMXCache(1 * time.Hour).
  • Custom TTL: Allows setting a custom Time-To-Live (TTL) for cached MX records.
  • Automatic Cleanup: Runs a background ticker to remove expired cache records automatically.

Benefit

  • Resource Efficiency: Decreases DNS server load by reusing cached MX records.

Feel free to review and let me know if there are any adjustments needed!
close #142

@lryong lryong requested a review from OisCircle January 16, 2025 02:48
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feature request: MX Servers lookup cache

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@emilianocalzada