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Troubleshooting Emailsmartz Email Spider: Common Issues and Fixes
Here’s a concise troubleshooting guide.
Common issues and fixes
- Installation fails or errors during setup
- Fix: Confirm system requirements (PHP, MySQL versions), set correct file permissions (usually ⁄644), upload all files in binary mode, and enable required PHP extensions (cURL, mbstring). Check installer log for specific error messages.
- Cannot connect to target websites / scraping blocked
- Fix: Use proper user-agent strings, respect robots.txt, add randomized delays between requests, rotate proxies or use a reputable proxy pool, and ensure IP isn’t blacklisted. Check for CAPTCHA—if present, manual solving or CAPTCHA-solving service may be needed.
- Low or no email results (poor scraping)
- Fix: Verify target pages actually contain emails, expand crawl depth, adjust parsing rules/regex for email patterns, add additional URL patterns or domains, and increase timeout to allow slower pages to load.
- High number of false positives (garbage or invalid emails)
- Fix: Improve regex and validation rules, run syntactic checks, perform MX record lookups, and use SMTP verification (with caution). Filter common bait strings and remove duplicates.
- Application crashes or high memory/CPU usage
- Fix: Limit concurrent threads, lower crawl rate, increase server memory or move to a stronger host, enable paging of results, and optimize database indexes and queries.
- Database errors or corrupted storage
- Fix: Backup current DB, repair tables (MySQL REPAIR TABLE), check charset/collation mismatches, and ensure the DB user has correct privileges. Restore from backup if necessary.
- Authentication-required pages (login forms, paywalls)
- Fix: Configure scraper to submit login credentials securely, use session/cookie handling, or crawl after manual login. Respect terms of service.
- Emails blocked by providers or flagged as abusive
- Fix: Avoid harvesting from private or protected sources, follow legal and ethical guidelines, add delays and respect rate limits, and consider obtaining permission.
- Not saving/exporting results correctly
- Fix: Check file permissions for export folder, review export format settings (CSV, TXT), and inspect export logs for errors. Try exporting smaller batches to isolate the issue.
Diagnostic checklist (quick)
- Check logs for exact errors.
- Verify server environment and permissions.
- Confirm target pages contain emails and aren’t blocking bots.
- Test with a small controlled crawl.
- Tune parsing/validation and use proxies if needed.
If you want, tell me one specific error message or symptom and I’ll give targeted steps.
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