How to make email verification accurate? Global batch testing methods and platform recommendations

For the team doing global email delivery, the biggest headache is not content design or delivery strategy, butShould you trust the email address in your hand?. Many companies collect thousands of mailboxes from various channels. Once they are sent in bulk, the result is constant bounces, a surge in complaints, the mail-sending system is blocked, and even the entire domain name is blacklisted.

There is only one reason:There is no accurate verification of the email address. Inaccurate verification has more serious consequences than no verification. Because wrong judgment will lead to misunderstandingsThe "fake email" is mistaken for a real customer, thus wasting time and resources on the wrong target.

1. Email verification is not simply to detect the format, but to determine whether it can be submitted, reachable, and convertible.

Just because the email address looks fine, it doesn't mean it can actually send emails. Truly accurate email verification requires answering the following three questions:

lDoes this address actually exist?

lCan mail be delivered to this address?

lIs the other party an active user and has the possibility of conversion?

Only email addresses that meet these three conditions are worthy of entering the marketing system. To judge these three points, professional methods and system support are needed.

2. Common misunderstandings about global batch email verification

Misunderstanding 1: Only look at the email format

Many people think"[email protected]" is a qualified email, but in fact it is only "grammatically correct" and does not mean that it exists. Especially temporary email addresses and fake email addresses are often more neatly formatted than real email addresses.

Misunderstanding 2: Using bounced letters as the verification standard

Some teams choose"Send a round of emails first to see who bounces back" is not only inefficient, but may also lead to the sending IP being judged as a spam source. Bounce is a consequence, not a means of verification.

Misunderstanding 3: The built-in detection function in the platform is professional verification

Most email systems will only perform format verification during import and will not execute it.SMTP level detection will not determine whether the address is active or a disposable mailbox.

3. What steps should a truly accurate email verification process include?

Step One: Basic Grammar Verification

This step eliminates obviously wrong addresses, such as missing@ symbol, spaces, illegal characters, domain name spelling errors, etc. It is a preliminary cleansing and does not involve judgment of existence.

Step two:SMTP protocol verification

By simulating a mail request, connect to the target mailbox server and observe the returned results:

lIf the server returns a confirmation code that the mailbox exists and is reachable, it means that the address is real and valid.

lIf it returns a non-existent or rejection code, it means that the mailbox is unavailable.

lIf an ambiguous response is returned (e.g.catch-all server), can be determined as "need to observe"

This is judgmentThe core method of "whether it really exists".

Step Three: Server Behavior Analysis

In addition to whether it exists or not, it is also necessary to determine whether the server of the target mailbox has the following restrictions:

lReject emails from unfamiliar domain names

lGreylisting policy (delay in accepting new senders)

lSMTP connection restrictions (speed limited or blocked when connecting in large quantities)

These will result in the mail being unable to be sent even if the mailbox exists.

Step 4: Temporary mailbox identification

Temporary email platforms often use fixed domain names, such as yopmail.com,10 minutesEmail.net wait. Professional detection platforms can identify these domain names and mark them uniformly, eliminating untrustworthy addresses from the source.

Step 5: E-mail behavior scoring

Some platforms can also combine the historical behavior of the email to determine whether it has participated in recent interactions and whether there are signs of activity. Such high-quality mailboxes can be prioritized for inclusion in mass mailing targets.

4. Why is it more efficient to choose a global platform for batch testing?

In a global marketing scenario, different countries have different email rules, and local logic alone is far from enough. For example:

lGermany .de Domain name mailbox servers generally set connection delays

lJapan .jp Domain name email is unfamiliarExtremely high IP sensitivity

lBrazil .br Email service providers use extensive greylisting strategies

lFrench mailboxes are very forgiving of disposable addresses, making them difficult to identify

This requires the verification platform to have knowledge of the behavior of global mailbox servers.Adaptability and regional rules engine, otherwise there will be a large number of misjudgments or missed judgments.

5. What are the advantages of the email verification service provided by Digital Planet Platform?

Digital Planet PlatformThe mailbox detection system specially designed for the global market has the following core advantages:

lFull support for global suffix mailbox detection,coverCommon domain name structures in 100+ countries

lreal timeSMTP simulation verification, not only determines the existence, but also identifies server behavior and interception strategies

lTemporary mailbox identification system, can quickly filter thousands of disposable email domain names

lStrong batch import and export processing capabilities,adaptationCRM, EDM, automation system docking needs

lOutput structured fields, each mailbox returns verification status, recommended actions, and activity score

lHigh concurrency detection speed, can complete 100,000-level email verification in a short time

A large number of cross-border e-commerce,B2B marketing and SaaS registration companies have used Digital Planet’s mailbox detection service as a pre-marketing step.Control the mass bounce rate withinWithin 2%, it effectively improves domain name reputation and conversion performance.

digital planet is a world-leading number screening platform that combines Global mobile phone number segment selection, number generation, deduplication, comparison and other functions . It supports customers worldwideBatch numbers for 236 countriesScreening and testing services , currently supports40+ social and apps like:

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The platform has several features including Open filtering, active filtering, interactive filtering, gender filtering, avatar filtering, age filtering, online filtering, precise filtering, duration filtering, power-on filtering, empty number filtering, mobile phone device filtering wait.

Platform provides Self-screening mode, generation screening mode, fine screening mode and customized mode , to meet the needs of different users.

Its advantage lies in integrating major social networking and applications around the world, providing one-stop, real-time and efficient number screening services to help you achieve global digital development.

You can find it on the official channelt.me/xingqiupro Get more information and verify the identity of business personnel through the official website. official businesstelegram:@xq966

(Kind tips:existWhen searching for Telegram’s official customer service number, be sure to look for the usernamexq966), you can also verify it through the official website personnel: https://www.xingqiu.pro/check.html , confirm whether the business contacting you is a planet official