メールアドレス検証ツール

このツールの使い方

1. 1

   Type or paste a single email address (for example user@example.com) into the input field.

2. 2

   Click Validate to run the syntax, MX-record, and disposable-domain checks.

3. 3

   Read the verdict banner — likely deliverable or likely undeliverable — at the top of the results.

4. 4

   Review the per-check list and any returned MX records (priority and mail exchange host) below the verdict.

メールアドレス検証ツールとは何ですか？

よくある活用例

• Cleaning a marketing or newsletter list before a send so addresses with no MX records do not generate bounces.

• Catching typos in domains (gmial.com, hotmial.com) that fail the MX lookup during signup form testing.

• Blocking or flagging disposable-domain signups when you need durable, contactable accounts.

• Spot-checking an address a prospect gave you before adding it to your CRM.

• Sanity-checking a single address while debugging why a transactional email bounced.

• Teaching teammates the difference between syntax validity and actual deliverability with a live example.

よくある質問