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- Automatically extract server IP from rejection messages - Generate pre-filled lookup URLs for top blacklists - URLs include extracted IP for instant status checking: • Spamhaus: https://check.spamhaus.org/?ip=1.2.3.4 • Barracuda: https://www.barracudacentral.org/rbl/lookup?ip=1.2.3.4 • SpamCop: https://www.spamcop.net/query.html?ip=1.2.3.4 • SORBS: http://www.sorbs.net/lookup.shtml?ip=1.2.3.4 - Users no longer need to manually copy IP and search - Fallback to generic URLs if IP not found in message - Tested with various IP formats and edge cases User benefit: Instant access to blacklist status via clickable links Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>