nextmail tools

Reads the domain's DMARC record from public DNS, or the record of the organisational domain it inherits from, and says how strict it is and what is wrong with it, the DMARC checker on the Nextmail website. stage is missing, invalid, monitor for p=none, quarantine or reject, and issues lists the problems written to be shown to a person.

Reads the domain's BIMI record, fetches the logo it names and checks the DMARC policy beside it, since inboxes draw a logo only at p=quarantine or p=reject, the BIMI checker on the Nextmail website. status is present, partial when the record is there but something stops inboxes showing the logo, absent or invalid, and issues says why.

Checks the records a receiving mailbox reads before it trusts mail from the domain, the deliverability checker on the Nextmail website: MX, SPF, DKIM at the selectors its mail provider uses, DMARC and BIMI. Each check says pass, warn, fail or absent with a verdict and notes, and score weighs them into 0 to 100, graded A to F.

Finds the sign-in or verification code in a message you pass in, with the reader that puts a code at the top of a message in Nextmail. Send the whole MIME source as raw, or the subject with html or text.

It answers only when it is sure: the message has to hold exactly one code worded as one, such as a verification code, a one-time code or a security code, in any of the common languages. Two different codes, or a number that could be an order, a booking, a meeting, a phone number or a promotion, give code: null.

It reads only what you send, so it cannot tell whether the sender is who it claims to be. The verificationCode on a message in your mailbox also requires the sender to pass authentication.

Prices every plan for the usage you describe, as the cost calculator on the Nextmail website does: the plan itself, the extra sends and AI actions it would bill, the monthly total, and whether the plan fits at all. A plan does not fit when the usage needs more domains than it includes, more than one person without team access, or more sends than it allows without billing extra. cheapest names the cheapest plan that fits.

Amounts are in US cents per month. With interval set to year, the plan price is the monthly equivalent of paying yearly.

Says whether an address is worth sending to, the email checker on the Nextmail website: result is valid, risky, invalid or unknown, and reasons says why. It checks the syntax, whether the domain takes mail at all, whether it is a throwaway domain or a shared address such as info@, and offers a correction in suggestion for a likely typo such as gmial.com. Run it on a sign-up form before the first message, or over a list before a broadcast.

With the emails:read scope, workspace also says what this workspace knows: whether it suppressed the address and when it last delivered to it or saw it bounce. It never shows another workspace's history, and without the scope it is null.

deep also asks whether the mailbox itself exists, in checks.mailbox. A deep check is billed per address through pay as you go and needs the emails:send scope. Without it the check is free and checks.mailbox is null.

Checks up to 100 addresses in one call, each as checkAddress does, and resolves them in the order they were sent. Use it to clean a list before importing it or sending a broadcast to it.

deep applies to every address and is billed for each one that reaches the mailbox check, through pay as you go, and needs the emails:send scope.