如果您在使用过程中遇到任何问题，欢迎通过以下方式联系我们：
If you encounter any issues, please contact us at:
我们会尽量在两个工作日内回复。/ We aim to respond within two business days.
A: 请确保 Apple 邮件 App 中已配置至少一个可发送邮件的账户。如果系统邮件不可用，您仍可完成记录并通过分享面板导出到 Gmail、Outlook 或其他应用。
A: Make sure at least one account that can send mail is configured in Apple Mail. If system Mail remains unavailable, you can still complete the record and export it through the iOS share sheet.
A: Yes. If Apple's system Mail composer is unavailable, you can still complete the record and export the stamped images through the iOS share sheet to Gmail, Outlook, Files, or another app.
A: 历史记录只保存在您的设备本地，包含时间、时区、留痕编号、主题、备注、收件人、图片数量和状态等元数据，不保存原始照片。您可以在 App 内删除或清空历史记录。
A: History is stored locally on your device and contains metadata such as time, time zone, trace ID, subject, note, recipients, image count, and status. It does not store original photos. You can delete or clear history in the app.
A: 水印与压缩均在您的设备本地完成，MailTrace 不会把照片上传到我们运营的服务器。只有当您主动发送邮件或导出时，iOS 才会把水印图片交给您选择的邮件或分享服务。
A: Watermarking and compression happen on your device, and MailTrace does not upload photos to a server operated by us. Only when you choose Send or Export does iOS pass the stamped images to the mail or sharing service you select.
A: 对应文件会在处理完成或取消后清理。未完成且超过 24 小时的导入，会在 App 或分享扩展下次运行时自动清理。 / Files are removed after processing or cancellation. Unfinished imports older than 24 hours are removed the next time the app or Share Extension runs.
A: 水印时间取自您设备的系统时间，精确到秒。请确保设备时间设置正确（建议开启"自动设置"）。
A: The watermark uses your device's system clock and includes seconds. For accurate records, keep automatic date and time enabled on your device.