Registering with a delivery service rarely runs on mail alone — the order is tied to a delivery address and a courier's number, while mail quietly turns into an archive: receipts, order history, and confirmations all land there. Here's why this category needs mail plus a number together, how to pick the right address format for the task, and why a dispute gets settled by a letter rather than an app push.
Why mail alone doesn't close registration in delivery
In most categories, an email confirmation is enough on its own: code arrives, account exists. Delivery works differently — the order has to reach a specific address, and the courier needs to reach the recipient in the moment if the address can't be found, the intercom doesn't work, or the package can't be left at the door. That's why a number gets requested almost every time, even after mail is already confirmed at signup. How this pairing works overall is covered in mail plus a number at registration.
What mail actually stores in this category
After the first order, mail stops being just a code channel and turns into an archive: receipts, order status, delivery-reschedule notices, and payment confirmations all arrive there. This is a case where the mailbox gets revisited more than once, over the whole life of the account — sometimes weeks after the last order, if a receipt is needed for a return or an expense check. A one-off address with a 20-minute window simply doesn't fit this task: it closes right after the first code, while receipts keep arriving for months.
Choosing an address format for the scenario
If the account is needed once — placing a single order with no plan to keep using the service — a one-off activation fits: the address lasts 20 minutes, enough to receive the confirmation code and finish signup. For an account meant for regular use, a different format applies — a mailbox rental from 12 hours to 60 days, with presets and extension — because that's where receipts and statuses will keep landing over the account's history. One key detail: a rented mailbox only accepts mail from sites listed at order time, so the delivery service needs to be added to that list explicitly.
Why a missed-delivery dispute is settled by mail
Order-status notices usually go both to the app and to mail, but the evidence in a missed-delivery dispute is the letter, not the push. A push notification lives in the phone's notification system and can be dismissed or lost on reinstall; a letter stays in the mailbox with an exact timestamp and the full status text. If the dispute reaches the delivery service's support team, it's the mail thread with dates and content that becomes the basis for resolution, not the fact that a push arrived — which is hard to produce as evidence.
Changing the delivery address and re-confirmation
Some delivery services require a fresh email confirmation when the delivery address changes — a separate code for the address change, not for logging in. That's because the delivery address directly affects the courier's route and where the order physically ends up, so the change is usually gated behind its own step. This is where the difference between a one-off address and a rented mailbox shows up: if the account runs on a one-off address that already closed, there's nowhere left to confirm the change — while a rented mailbox keeps receiving that code the same way it receives receipts.
Frequently Asked Questions
Is a phone number required when registering with a delivery service if mail is already confirmed?
Almost always yes — the number is for the courier to reach the recipient in the moment, not for registration itself, so confirmed mail doesn't replace it. It's a separate function, not a duplicate channel.
Can a one-off address be used if several orders are planned in a row?
No, a one-off address closes 20 minutes after it's issued and isn't built for a stream of receipts and statuses across multiple orders. That scenario calls for a mailbox rental instead.
What if the order-status email never arrives but the app push shows delivery?
Check the inbox and the status in the delivery service's account page — the letter sometimes lags on the sender's side. If a dispute still needs opening, rely on the mail thread rather than the push notification.
Set up a one-off activation for a specific delivery service, or rent a mailbox for the period needed, in the email-OTP section; how code pickup works in general is covered in receiving OTP codes, and the related refund story is in cancelling an email activation and getting a refund.