• Certified email with delivery receipts, silent tracking, proof-of-opening history, security and timestamps.
    • Certified email with delivery receipts, silent tracking, proof-of-opening history, security and timestamps.

    Description: Users get free return email notifications, and/or SMS/ICQ instant messages when email they've sent gets opened, and can track their emails reading history

    Keywords: email, read, registered, notification, disposition, receipt, tracking, history, confirm, reading, certified, proof, delivery, sms, icq

    Computers Internet-mail Response Tools 网站

    2025年02月25日

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