Operator: HydroComplete LLC. Effective November 13, 2026
With your explicit consent through Ring's account linking, Mail Check receives Ring's motion alerts for the cameras you share. It stores each camera's name. At linking you give us your email address and ZIP code, and on your dashboard you set the days your mail comes and the hours to watch. We use these for one purpose: to tell you when the mail has been delivered.
Mail Check only looks at your cameras during your mail hours (by default 9 AM to 6 PM, Monday to Saturday), on days you have not marked "no mail", and only until the mail has come that day. Alerts at any other time are ignored: nothing is downloaded or analysed.
In short: during your mail hours, Mail Check downloads about 15 seconds of Ring video, turns three frames of it into one small picture, and sends that picture to Anthropic's Claude AI to name the kind of vehicle. The video and picture are deleted within seconds.
When Ring reports a vehicle (or any motion, if Smart Alerts are off) during your mail hours, Mail Check downloads a recording of about 15 seconds from your Ring account and processes it on our own server. A fixed, rule-based procedure first checks whether something large moved and whether it slowed or stopped; a vehicle that drives straight past is not analysed further. Otherwise three frames are combined into one small picture and sent to an AI vision service (see below), which answers only: what kind of vehicle it is (for example mail truck, a car stopping at the mailbox, UPS, FedEx, Amazon), how confident it is, whether it stopped and whether it stopped at the mailbox. The recording and the picture are deleted as soon as that answer arrives, usually within seconds.
Each camera has a daily allowance of 100 vehicle checks, and the service as a whole has a daily allowance of 3,000. Past either allowance a vehicle is not analysed, and your dashboard says so.
Vehicle type is read by Anthropic's Claude (model claude-haiku-5-5), a general-purpose AI model, through Anthropic's commercial API. It receives the three-frame picture and an instruction to report only the vehicle details above, never anything about people, plates or addresses; its answer can only take those values. Anthropic processes the picture on our behalf and does not use data sent through its commercial API to train its models. Mail Check does not train any model, and your data is never used to train any model, ours or anyone else's. Every reading is shown with its confidence, and you can mark any sighting right or wrong; sightings you mark wrong are ignored.
Your email identifies your account and is where mail alerts are sent (you can turn email alerts off). Your ZIP code is looked up on our own server to find your time zone, so mail hours match your clock; it is not sent to anyone. Your mail days and hours are used only to decide when to watch.
We do not sell, share or disclose your data to any third party for their own purposes. Your dashboard is visible only to you, through your private link. Three sub-processors act on our behalf, all in the United States: Fly.io, Inc. (cloud hosting), which stores data and does not use it for anything else; Anthropic, PBC (AI vision), which receives only the three-frame picture described above; and Resend (email delivery), which receives your email address and the text of each alert.
Deletion is self-service. Delete all my data on your dashboard removes everything above from the live service at once. Encrypted host snapshots age out within 5 days, and copies held by Anthropic or Resend follow their retention periods described under What we keep. Removing Mail Check from your Ring app does the same automatically. You may also request deletion, or a copy of your data, by email (below); we respond within 30 days.
Analysis is fully automated. No person ever views your Ring video recordings or the pictures made from them, including during support: they are deleted within seconds of analysis, so they do not exist to be viewed, and we have no tool to fetch your recordings for a person to look at.
No person, including the developer, views your account data in routine operation. If you ask for support or for a copy of your data, the developer may look at your text records only (your mail days and hours, camera names, and the sighting and alert lines described above: times, vehicle types and confidences), and only to answer that request.
Nothing is collected until you complete Ring's account-linking consent. You choose the days and hours watched, can mark days "no mail", turn email alerts off, stop all collection by removing Mail Check in the Ring app, and remove all stored data with the delete control. There is no advertising, data sale or AI training to opt out of: those uses do not happen.
Mail Check is for adults aged 18 or over and is not directed at children. It does not collect information about anyone seen on camera.
Mail Check is an independent product of HydroComplete LLC. It is not affiliated with, endorsed by or connected to the United States Postal Service, and receives no data from it.
If we ever change what is read from your recordings, we will update this page with a new date and show a notice on your dashboard before the change takes effect.
Access to your Ring account uses Ring's account-linking system; Mail Check never sees your Ring password. Data travels over HTTPS and is stored on access-controlled, encrypted infrastructure.
Anyone, including people who are not Mail Check customers, can report a suspected misuse of Mail Check (for example, a camera pointed at property its owner is not entitled to monitor) as described on our support page.
Questions, data requests or deletion requests: michaelbflynn@gmail.com