寄送電子郵件至特定格式的地址
Email to a Constructed Address
Confirm the Applicant’s control over the ADN by:
透過以下程序以確認申請者（Applicant）對經授權網域名稱（Authorization Domain Name，ADN）的控管權：
- Sending an email to one or more addresses created by using ‘admin’, ‘administrator’, ‘webmaster’, ‘hostmaster’, or ‘postmaster’ as the local part, followed by the at-sign (”@”), followed by the ADN; and
- including a Random Value in the email; and
- receiving a confirming response utilizing the Random Value.
- 寄送電子郵件至一個或多個郵件地址，該郵件地址以「admin」、「administrator」、「webmaster」、「hostmaster」或「postmaster」作為郵件帳號（local part），後接「@」符號，再接上經授權網域名稱（ADN）而組成；且
- 在電子郵件中包含一組隨機值（Random Value）；且
- 收到使用該隨機值的確認回覆。
The Random Value SHALL be unique in each email.
隨機值在每封電子郵件中應（SHALL）是唯一的。
The email MAY be re-sent in its entirety, including the re-use of the Random Value, provided that its entire contents and recipient SHALL remain unchanged.
電子郵件得（MAY）全文重寄，包括重複使用隨機值，前提是其全文內容及收件者應（SHALL）保持不變。
The Random Value SHALL remain valid for use in a confirming response for no more than 30 days from its creation. The CPS MAY specify a shorter validity period for Random Values.
隨機值自建立之日起，用於確認回覆的有效期限應（SHALL）不超過 30 日。憑證實務作業基準（Certification Practice Statement，CPS）得（MAY）規定更短的隨機值有效期限。
Effective March 15, 2026, this method SHOULD NOT be used to issue Subscriber Certificates.
自 2026-03-15 起，此方法不宜（SHOULD NOT）用於簽發用戶憑證。
Effective March 15, 2028:
- The CA MUST NOT rely on this method.
- Prior validations using this method and validation data gathered according to this method MUST NOT be used to issue Subscriber Certificates.
自 2028-03-15 起：
- CA 不得（MUST NOT）依賴此方法。
- 先前使用此方法進行的驗證，以及依據此方法蒐集的驗證資料，不得（MUST NOT）用於簽發用戶憑證。