すべてのユーティリティ
検証
メール検証
Cleariflow Email Validation API デモでメールを検証します。
このツールについて
Run an email check online to verify address format, domain health, and mailbox risk signals before sending. This free email checker helps marketers and product teams reduce bounce rates and protect sender reputation.
Use it for signup validation, CRM cleanup, and lead form screening to block obvious bad entries early. Cleaner lists improve deliverability, engagement metrics, and campaign ROI.
本番利用には API をご覧ください： メール検証API
よくある質問
- What does an email check include?
- It typically covers syntax validation, domain checks, disposable detection, and other risk indicators before mail is sent.
- Can email verification reduce bounces?
- Yes, screening invalid or risky addresses before sending significantly lowers hard-bounce volume.
- Should I validate emails at signup or later?
- Best results come from both: real-time checks at signup and periodic list hygiene for existing contacts.