ListWise

Name: ListWise
Brand: ListWise
Price: 01000451000044 USD

Anti-greylisting, typo repair, and a real-time API from a New Zealand hospitality ISP

ListWise is an email list cleaning and verification service run since 2013 by CyberCom, a New Zealand internet company founded in 1995, that performs a real-time SMTP handshake on every address alongside anti-greylisting technology, automatic typo repair, spam-trap detection, and role, no-reply, disposable, catch-all, and duplicate identification. It sells prepaid non-expiring credits from $45 per 10,000 addresses up to $15,995 for fifty million, monthly plans from $44, and separate Premium plans from $408 a month that unlock a real-time single-address API, and it lets you clean up to 1,000 addresses free before paying anything.

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Overview

ListWise is one of the older services in this category and one of the least fashionable. It launched in 2013 under CyberCom, a New Zealand company that has been trading since 1995 and whose main business is supplying internet and WiFi to the hospitality and tourism industry, alongside the Maxmail and Texta marketing products. That is an unusual parentage for an email verifier, and it shows: the site is plain, the copy is unembarrassed about calling itself the best in the world, and the pricing is a flat table with no calculator, no countdown timer, and no coupon code.

Technically the product is more considered than the presentation suggests. Two features stand out. The first is anti-greylisting technology, which matters because greylisting servers deliberately defer a first connection to discourage automated senders, and a single-pass verifier reads that deferral as an unknown. ListWise says it retries intelligently so that every address gets a verdict regardless of provider behaviour. The second is automatic typo fixing, which repairs obvious misspellings rather than discarding the subscriber, a policy Mailfloss has built an entire company around and that most verifiers simply do not do.

The detection set is otherwise comprehensive and specific: syntax, domain and MX, catch-all detection, free provider identification, temporary and disposable addresses, role-based addresses, no-reply addresses, spam traps and spam-trap domains, duplicates, and predicted bounces. Notably it detects no-reply addresses as a category, which almost nobody else calls out and which is a real source of pointless sends. It detects catch-all domains but, like most of the affordable field, does not attempt to resolve which mailboxes exist behind them.

The commercial structure has one wrinkle worth understanding before you buy. Ordinary monthly and prepaid plans do not include the real-time API. That sits behind separate Premium plans starting at $408 a month for 100,000 addresses, which is a large jump from the $158 ordinary monthly plan at the same volume. ListWise argues the Premium API is unusual in doing a complete clean including a live SMTP handshake and returning an instant result, which is a fair claim, but the pricing means a developer wanting form-level verification pays roughly two and a half times a marketer wanting the same volume cleaned in bulk.

Best for

Bulk email marketers and list owners who want a straightforward prepaid clean with a flat published price, strong greylisting handling, typo repair, and explicit spam-trap and no-reply detection, from a company with three decades of trading history and a physical address you can look up.

Not the right fit for

B2B outbound teams whose lists are dominated by accept-all domains, since ListWise detects catch-alls and does not resolve them.
Developers on a budget who need a real-time API, because that capability is gated behind Premium plans starting at $408 a month rather than being included like it is at EmailListVerify and MyEmailVerifier.
Buyers who want native cleaning inside Mailchimp, Klaviyo, or HubSpot; ListWise is a file-in, file-out service with an API, not an integration platform.
Anyone who needs modern compliance evidence in the vendor file, since there is no published SOC 2, ISO 27001, trust centre, or data retention policy, only an offer to provision a dedicated server in a chosen geography for larger customers.
Price-led high-volume buyers, who will find MyEmailVerifier at about a fifth the cost and EmailListVerify at about a third for a million addresses.

How it works

1
You upload a list as a CSV or plain text file, which is the format bulk email marketers default to, and the service processes it. You can clean up to 1,000 addresses free before paying anything, which is a larger free trial than the 100-credit convention almost everyone else follows.
2
Every address gets a real-time SMTP handshake with the receiving mail provider rather than a lookup against a stored result, and the anti-greylisting layer retries intelligently against servers that defer a first connection, so addresses at greylisting providers resolve rather than falling into an unknown bucket.
3
Alongside the handshake, classification layers detect catch-all domains, free providers, temporary and disposable addresses, role-based addresses, no-reply addresses, spam traps and spam-trap domains, duplicates, invalid addresses, and addresses predicted to bounce. Obvious typos are repaired automatically rather than the address being discarded.
4
You download the cleaned list and load it into your sending platform. If you need verification at the point of capture instead of in bulk, the Premium plans expose a real-time single-address API that runs the same complete clean, including the SMTP handshake, and returns an instant verdict for a signup or opt-in form.

Feature breakdown

27 features in 5 modules

Verification technique

A live handshake, retried properly, on every address.

Real-time SMTP handshake: Every address is checked with a live conversation against the email provider rather than being served from a cached result database, which is what makes the verdict reflect the mailbox as it is now.
Anti-greylisting technology: Greylisting servers deliberately defer a first connection to discourage bulk senders, and a single-pass verifier reads that as unknown. ListWise retries intelligently so addresses at greylisting providers get a real verdict.
Domain and MX checks: Confirms a valid mail server exists for every address, which removes parked, expired, and misconfigured domains before deeper checks run.
Syntax validation: Enforces correct address format, which is the cheapest filter available and removes a surprising share of hand-entered data.
Bounce prediction: Identifies addresses that will bounce when a campaign goes out, which is framed as the outcome rather than as a technical classification, and is the number the service is ultimately judged on.
Invalid address detection: The core valid or invalid verdict for domains that answer honestly, which is where the large majority of a decayed list resolves.

Address classification

A wider and more specific set of categories than most competitors publish.

Spam trap and spam-trap domain detection: Detects both individual trap addresses and entire domains used for trapping, which is the check with the highest downside protection because a single trap hit can damage a sending reputation for months.
No-reply address detection: Flags noreply@ style addresses as their own category. Almost no competitor calls this out separately, and it is a real source of sends that will never be read or answered.
Role-based address detection: Identifies shared mailboxes such as sales@, info@, and admin@, which are deliverable but engage poorly and often sit behind a ticketing system.
Temporary and disposable detection: Catches throwaway addresses created to claim a discount or a trial, which are deliverable today and gone next week.
Free provider detection: Marks Gmail, Yahoo, Hotmail, and similar consumer providers, which matters for B2B segmentation and for scoring signup quality.
Catch-all detection: Identifies mail servers that accept both valid and invalid addresses and therefore create false positives. ListWise flags them as a false-positive risk rather than attempting to resolve the mailboxes behind them.
Duplicate detection: Removes repeated addresses so you are not paying to verify or to mail the same person twice.

Typo repair

Fixing the address instead of deleting the subscriber.

Automatic typo fixing: Obvious misspellings are repaired intuitively rather than the address being marked invalid and discarded, which recovers subscribers that a strict verifier silently deletes.
Applied inside the clean: Repair happens as part of the standard cleaning pass rather than as a separate paid product, so every list benefits without extra configuration or cost.
Complements bounce prediction: Because repaired addresses are then verified through the same SMTP handshake, a fixed typo still has to prove it is deliverable before it survives the clean.

Commercial structure

Three separate ladders, all published as flat tables.

Prepaid credits that never expire: A one-off ladder from $45 for 10,000 addresses to $15,995 for fifty million, with unused credits remaining in the account indefinitely. Aimed at marketers who need a one-time clean.
Monthly plans: A cheaper per-address recurring ladder from $44 a month for 10,000 up to $2,559 for five million, described as more economical in the long run for marketers who are continuously acquiring data.
Premium plans with real-time API: $408 a month for 100,000, $662 for 500,000, and $1,010 for one million, unlocking a real-time single-address API that performs the complete clean including the SMTP handshake and returns an instant result.
Free 1,000-address trial: Clean up to 1,000 addresses free by uploading a CSV or text file, which is ten times the free allowance most competitors offer and enough for a real sample.
Promotional discount codes: ListWise runs periodic top-up discount codes of around 30 percent, published as banners on the site, so the effective rate can be materially below the table.
Prices exclusive of tax: The published USD prices exclude GST and any other applicable government taxes, which is worth remembering when comparing against inclusive competitors.

Enterprise and custom options

Old-fashioned custom engineering rather than a self-serve enterprise tier.

Dedicated server provisioning: Larger customers can have a robust dedicated ListWise server provisioned for them rather than sharing the common platform.
Choice of geographic hosting: A dedicated server can be hosted in a specific geography to align with local data protection law such as GDPR, which is a real data residency answer even though it is arranged rather than self-selected.
Selective check configuration: Customers can specify which ListWise checks run against each address rather than accepting the full battery, which speeds up processing and narrows what is inspected.
Custom output formats: Result data can be delivered in whatever format the customer's downstream systems expect, avoiding a transformation step.
Faster processing on dedicated infrastructure: The vendor cites materially faster verification time as a benefit of a dedicated server, which is the practical reason large senders take one.

Use cases

4 documented

Bulk email marketer with a large accumulated list

A million addresses collected over years need a one-time clean before a major campaign, and the marketer does not want a subscription or an integration project.

A prepaid $1,205 clean handles the whole list, credits never expire so anything unused stays available, typo repair recovers subscribers a stricter verifier would delete, and the spam-trap detection removes the addresses most likely to end the sending programme.

Sender fighting a stubborn unknown rate at particular providers

Every clean leaves a residue of unknown results concentrated at a handful of domains that defer the first connection.

The anti-greylisting layer retries those servers intelligently and returns real verdicts, converting a recurring unknown bucket into decisions without paying a per-retry credit multiplier.

Product team needing point-of-capture verification

Signup and opt-in forms are collecting bad addresses, and the team wants a complete verification, not just a syntax check, before an account is created.

A Premium plan exposes a real-time API that runs the full clean including a live SMTP handshake and returns an instant answer, at a cost of $408 a month for 100,000 checks.

Enterprise sender with a data residency requirement

Legal will not allow subscriber data to be processed on shared infrastructure in an unspecified jurisdiction.

CyberCom provisions a dedicated ListWise server in a chosen geography, running only the checks the customer specifies and delivering results in the customer's own format.

Pricing

from $0 to clean up to 1,000 addresses, then $45 for 10,000 prepaid or $44 per month

Three separate published ladders: one-off prepaid credits that never expire, recurring monthly plans that are cheaper per address, and Premium monthly plans that add the real-time single-address API. All prices in USD and exclusive of tax.

Plan	Price	Includes
Free trial clean	$0 up to 1,000 addresses, one time	Full clean including SMTP handshake CSV or plain text upload Enough volume for a statistically meaningful sample No recurring free allowance
Prepaid credits	$45 to $15,995 one-off, by volume, credits never expire	10,000 addresses for $45, so $0.0045 each 50,000 for $105 and 100,000 for $185, so $0.00185 each 500,000 for $605 and 1,000,000 for $1,205, so about $0.0012 each 5,000,000 for $2,995 and 50,000,000 for $15,995 Unused credits remain in the account indefinitely The right choice for a one-off clean, and the ladder flattens sharply above a million.
Monthly plans	$44 to $2,559 per month, by monthly volume	10,000 a month for $44 50,000 for $86 and 100,000 for $158, so $0.00158 each 500,000 for $462 and 1,000,000 for $860, so $0.00086 each 5,000,000 for $2,559 Cheaper per address than prepaid at every matching volume Aimed at senders continuously acquiring data rather than cleaning once.
Premium plans	$408 to $1,010 per month, includes real-time API	100,000 a month for $408 500,000 for $662 1,000,000 for $1,010 Real-time single-address API performing the complete clean including SMTP handshake The only tiers that include API access At 100,000 this is roughly two and a half times the ordinary monthly plan, which is the price of the API rather than of the volume.

Billing notes

At the three reference volumes, prepaid credits cost $45 at 10,000 addresses, $185 at 100,000, and $1,205 at 1,000,000, which is $0.0045, $0.00185, and about $0.0012 per address.
Monthly plans are cheaper per address at every matching volume: $44 at 10,000, $158 at 100,000, and $860 at 1,000,000, or $0.0044, $0.00158, and $0.00086.
Against the category at 100,000 addresses, ListWise at $158 to $185 sits almost exactly alongside EmailListVerify at $168 to $186, well above MyEmailVerifier at $89 to $99, and well below Kickbox at $500.
The real-time API is not included on prepaid or ordinary monthly plans. Adding it means moving to Premium, which at 100,000 addresses a month costs $408 rather than $158, so a developer pays about two and a half times a marketer for the same volume.
Prepaid credits never expire, which is the correct structure for lumpy project work and is friendlier than Kickbox's twelve-month expiry or MailboxValidator's thirty-day bulk validity.
All published prices are in USD and exclusive of GST and any other applicable government taxes, and ListWise runs periodic promotional top-up codes of around 30 percent, so the effective rate moves.

Value assessment: ListWise prices its bulk cleaning fairly and its API expensively. At around $0.0016 to $0.0019 per address on a 100,000-row clean, the bulk product sits in the sensible middle of the market and buys you real technical substance: a live SMTP handshake on every address, anti-greylisting retries, automatic typo repair, and explicit spam-trap and no-reply detection, from a company that has been trading since 1995 and publishes a street address and a phone number. That is a better combination than the plain website suggests. The Premium API pricing is harder to defend, because $408 a month for 100,000 real-time checks is a large premium in a market where EmailListVerify and MyEmailVerifier include an API on their cheapest packages. Buy ListWise for bulk cleaning where its greylisting and typo handling earn their keep, and think carefully before buying it for programmatic use.

Strengths & limitations

Strengths

Anti-greylisting technology addresses a real and under-served cause of unknown results, and is included in the standard clean rather than sold as a premium retry.
Automatic typo repair recovers subscribers that stricter verifiers silently delete, and repaired addresses are still verified before they survive.
The classification set is more specific than most, including no-reply address detection and spam-trap domain detection that almost no competitor publishes separately.
Flat published price tables across three ladders with no calculator, no gating, and no sales conversation required.
Prepaid credits never expire, and the free trial cleans up to 1,000 addresses rather than the usual 100.
Genuine corporate substance: CyberCom has traded since 1995, publishes an Auckland street address and phone number, and runs other established products alongside ListWise.
Dedicated servers can be provisioned in a chosen geography with customer-specified checks and output formats, which is a real answer to data residency for larger buyers.

Limitations

No catch-all resolution. Accept-all domains are detected and flagged as a false-positive risk, and that is where the process stops.
The real-time API is locked behind Premium plans starting at $408 a month, where competitors include an API on their cheapest packages.
No named ESP integrations at all. This is a file-in, file-out service, so cleaning inside Mailchimp, Klaviyo, or HubSpot means moving CSVs by hand.
No published compliance evidence: no SOC 2, no ISO 27001, no trust centre, no data retention policy, and no published security page. Data residency is available only by arranging a dedicated server.
No published accuracy figure, bounce-rate guarantee, or policy on whether unknown results consume credits, which leaves three of the questions buyers most want answered unanswered.
Significantly more expensive per address than MyEmailVerifier at every volume, roughly double at 100,000 and roughly three times at a million.
The site is dated and the marketing copy is unfashionably self-congratulatory, which is cosmetic but does affect how the vendor reads to a committee.

Head-to-head comparisons

5 alternatives

ListWise vs EmailListVerify

from $5 for 1,000 verifications pay-as-you-go, with 100 free on signup

Near-identical pricing at 100,000 addresses, $185 prepaid against $186, and a similar core check set. EmailListVerify includes the API on every plan, offers named ESP integrations, and bundles an inbox placement test and a pile of authentication tools. ListWise counters with anti-greylisting, typo repair, no-reply and spam-trap-domain detection, and a company trading since 1995. Take EmailListVerify if you need an API or integrations; take ListWise if the verification technique itself is what you are buying.

Full ListWise vs EmailListVerify comparison

ListWise vs MyEmailVerifier

from $0 with 100 free credits every day, then about $4 for 1,000 pay-as-you-go credits

MyEmailVerifier is roughly half the price at 100,000 addresses and roughly a third at a million, gives 100 free credits every day, includes API access on every plan, and offers a Deep Catch-All Check. ListWise offers anti-greylisting, typo repair, a 1,000-address free trial, and a three-decade-old corporate parent with a real address. On economics MyEmailVerifier wins clearly; ListWise's argument is technique and provenance.

Full ListWise vs MyEmailVerifier comparison

ListWise vs mailfloss

from $29 per month for 10,000 credits, with a seven-day free trial

Mailfloss built a company around the feature ListWise includes quietly: fixing typos rather than deleting the subscriber. But Mailfloss goes much further, running inside your ESP on autopilot with real-time signup blocking, daily sweeps, and scheduled decay protection across forty-plus platforms from $29 a month. ListWise is a better raw cleaner; Mailfloss is a better ongoing process. A newsletter should probably run Mailfloss and a bulk list owner should run ListWise.

Full ListWise vs mailfloss comparison

ListWise vs DeBounce

from $15 for 5,000 credits, falling to about $0.00044 per check at five million

DeBounce is the closer analogue on the affordable-bulk-verifier axis, with a published bounce-rate guarantee and clearer terms around unknown results, which ListWise does not publish at all. ListWise offers deeper classification, anti-greylisting, and typo repair. If you want published guarantees and a clear credit policy, DeBounce is the safer purchase; if you want the widest set of checks on a bulk file, ListWise is.

Full ListWise vs DeBounce comparison

ListWise vs MillionVerifier

from $39 for 10,000 credits, or $0.0039 per email

MillionVerifier undercuts ListWise substantially and publishes an explicit policy of not charging for risky results plus a claim to resolve a portion of catch-alls. ListWise makes no such claims but does more classification work on the addresses it can resolve and never expires prepaid credits. For a high-volume budget clean, MillionVerifier is the better economic choice; ListWise earns its premium only if greylisting and typo recovery matter on your particular list.

Full ListWise vs MillionVerifier comparison

Implementation & onboarding

Setup time: Minutes for a bulk clean, and the free 1,000-address trial needs no payment details. There is no integration work at all on the standard plans, because the workflow is upload a file and download a file. A Premium API integration is a normal REST job.
Learning curve: Very low. There are no quality levels, credit multipliers, or configuration decisions on the standard product. The one thing to understand before purchase is which of the three ladders you are on, because the API sits only on the most expensive one.
Onboarding: Fully self-serve on prepaid, monthly, and Premium plans. Dedicated servers, custom check selection, custom output formats, and geographic hosting are arranged directly with CyberCom.
Migration notes: There is nothing to migrate. The sensible test is to take the free 1,000-address clean, run a sample your incumbent has already scored, and pay particular attention to two segments: addresses your current vendor returned as unknown at greylisting providers, and addresses it marked invalid that look like simple typos. Those are the two places ListWise's technique should show a difference. If your list is heavy with accept-all domains, expect no improvement there, because ListWise does not attempt resolution.

Platform, API & security

Platforms: Web applicationCSV and plain text uploadReal-time API on Premium plansOptional dedicated server deployment
API: A real-time single-address API available only on Premium plans from $408 a month. The vendor's claim is that it performs the complete ListWise clean, including a live SMTP handshake with the email provider, and returns an instant result, which makes it suitable for online registration, opt-in, and signup forms. No public rate limits, latency figures, or SLA are published.
Compliance: No published certificationsGDPR addressed through optional dedicated servers hosted in a chosen geography
Data residency: Not offered on the shared platform. Larger customers can have a dedicated server provisioned in a specific geographic location to align with local data protection law.
SSO: Not advertised.
Security notes: ListWise publishes terms of service and a privacy policy and nothing else on the security side: no trust centre, no certification, no penetration test summary, no data retention window, and no security contact. The contracting entity is CyberCom, an established New Zealand company with a published street address in Auckland and a listed phone number, which is more accountability than several anonymous competitors offer but is not a substitute for an audit report.

Support & resources

Channels: Email support at CyberComPublished New Zealand phone numberContact form
Documentation: A support section with documentation covering uploading, cleaning, and interpreting results, plus a blog. Documentation depth is modest compared with developer-first competitors.
Community: No user forum. There is an affiliate programme.

Company

Founded: 2013
Headquarters: Auckland, New Zealand
Ownership: Owned and operated by CyberCom, a privately held New Zealand company established in 1995
Employees: Not disclosed
Funding: No funding disclosed; CyberCom is a long-established privately held business.

Timeline

1995CyberCom is established in New Zealand, becoming a supplier of internet and WiFi solutions to the hospitality and tourism industry and later of electronic marketing products.
2013ListWise launches under CyberCom as an email list cleaning service built around a real-time SMTP handshake rather than cached lookups.
2017Anti-greylisting technology and automatic typo fixing become the technical differentiators, addressing two causes of lost subscribers that most verifiers leave alone.
2020Premium plans introduce a real-time single-address API performing the complete clean, aimed at registration and opt-in forms rather than bulk files.
2026Continues to publish flat prepaid, monthly, and Premium price tables up to fifty million addresses, with dedicated servers available in a customer-chosen geography for larger buyers.

Integrations

CSV and plain text file upload
Real-time verification API on Premium plans
Dedicated server deployment with custom output formats
Customer-specified check selection on dedicated deployments

Frequently asked questions

10 questions

What is ListWise?

ListWise is an email list cleaning and verification service operated since 2013 by CyberCom, a New Zealand company trading since 1995. It performs a real-time SMTP handshake on every address, uses anti-greylisting technology so deferring servers still return a verdict, repairs obvious typos automatically, and detects spam traps, role addresses, no-reply addresses, disposable addresses, catch-all domains, duplicates, and predicted bounces.

How much does ListWise cost?

Three ladders. Prepaid credits that never expire run $45 for 10,000 addresses, $105 for 50,000, $185 for 100,000, $605 for 500,000, $1,205 for a million, and $15,995 for fifty million. Monthly plans are cheaper per address at $44, $86, $158, $462, and $860 for the same volumes up to a million. Premium plans, which are the only ones including the real-time API, are $408 for 100,000, $662 for 500,000, and $1,010 for a million per month. All prices are USD and exclude tax.

How does ListWise handle catch-all and accept-all addresses?

It detects them and flags them as a source of false positives, because a catch-all server accepts both valid and invalid addresses. It does not attempt to determine which mailboxes actually exist behind the accept-all wall, so those addresses come back unresolved. If your list is B2B and that segment is large, a specialist such as Truelist, Scrubby, or BounceBan is the tool for it.

What is anti-greylisting and why does it matter?

Greylisting is a spam defence where a mail server deliberately rejects a first connection attempt and only accepts on a later retry, on the theory that bulk senders will not come back. A single-pass verifier reads that initial deferral as an unknown result. ListWise says it retries intelligently so that addresses at greylisting providers get a genuine verdict, which converts a recurring unknown bucket into actual decisions at no extra credit cost.

Does ListWise fix typos?

Yes, automatically and as part of the standard clean. Where most verifiers see a misspelled domain, mark the address invalid, and delete a real subscriber, ListWise repairs the obvious errors. Repaired addresses are still put through the SMTP handshake, so a fixed typo has to prove it is deliverable before it survives. Mailfloss has built an entire company around this single behaviour, and ListWise includes it without a surcharge.

Do ListWise credits expire?

Prepaid credits do not expire. Any unused balance remains available in your account indefinitely, which the vendor states explicitly and repeats in its promotional banners. That is friendlier than Kickbox, whose credits lapse after twelve months, and than MailboxValidator, whose bulk plans are valid for only thirty days. Monthly plans are a recurring allowance rather than a stored balance.

Does ListWise include an API?

Only on Premium plans, which start at $408 a month for 100,000 addresses. Prepaid credits and ordinary monthly plans are bulk file cleaning only. The Premium API performs the complete clean including a live SMTP handshake and returns an instant result, which is genuinely more than a syntax or MX check, but it is a significant premium in a market where EmailListVerify and MyEmailVerifier include an API on their cheapest packages.

Does ListWise detect spam traps and role accounts?

Yes, and more specifically than most. It detects individual spam traps and entire spam-trap domains, role-based addresses such as sales@ and admin@, no-reply addresses as their own category, temporary and disposable addresses, free providers, and duplicates. The no-reply and spam-trap-domain categories in particular are rarely called out separately by competitors, and both remove sends that could never have produced a result.

Is ListWise GDPR compliant and where is my data processed?

ListWise publishes no certifications, no trust centre, no retention policy, and no security page. Its answer to data protection is bespoke: larger customers can have a dedicated ListWise server provisioned in a specific geographic location to align with local law such as GDPR, running only the checks they specify. That is a real answer for enterprise buyers and no answer at all for a small customer on the shared platform.

Who should not use ListWise?

B2B outbound teams whose value sits in the accept-all bucket. Developers who need an affordable real-time API, since that costs $408 a month here. Teams wanting native cleaning inside an ESP, since there are no integrations. Buyers who need audited compliance evidence. And price-led high-volume buyers, who will pay roughly double MyEmailVerifier at 100,000 addresses and roughly three times at a million.

Editorial verdict

ListWise is a better product than its website implies and a worse deal than its bulk pricing implies, depending entirely on which ladder you land on. The verification technique is genuinely thoughtful: a live SMTP handshake on every address, anti-greylisting retries that rescue a whole class of unknown results, automatic typo repair that recovers subscribers other verifiers quietly delete, and an unusually specific classification set that separates no-reply and spam-trap domains from the general mush. Behind it sits CyberCom, trading since 1995, with a real Auckland address and a phone number, which counts for something in a field full of anonymous vendors. Against that, it will not resolve catch-alls, it publishes no compliance evidence, it has no ESP integrations at all, and it costs roughly double MyEmailVerifier for the same bulk work. The Premium API at $408 a month is the one part that is hard to justify against a market that gives an API away at the bottom of the ladder. Buy the bulk product if greylisting and typo recovery are real problems on your list; look elsewhere if you need an API, an integration, or the lowest price.

Written by the SaaSTracker editorial team. Awards, when shown, are judged against the published criteria in our methodology.