Email Verification Tools

MailerCheck vs Mailgun

Compare MailerCheck and Mailgun side-by-side. See feature differences and pricing in the Email Verification Tools category.

MailerCheck

by Vercom

0.0 (0)

Pricing: Pay as you go credits that never expire, 1 per address: $10 per 1,000, $80 per 10,000, $500 per 100,000; 1,000-credit minimum; 10 free credits on signup

MailerCheck is pay-as-you-go email list verification and a real-time validation API with inbox placement and content tests, on credits that never expire.

10 /19 features Full profile

Most Features

Mailgun

by Sinch

0.0 (0)

Pricing: Free for 100 emails/day; Send from $15/mo for 10,000 emails; Optimize add-on from $49/mo; Inspect add-on from $99/mo. Billed monthly only, checked September 2026.

Mailgun is a transactional email API and SMTP relay for developers, with paid add-ons for deliverability monitoring, pre-send QA and email validation.

11 /19 features Full profile

Feature Comparison

Email Verification Tools features side-by-side

Feature	MailerCheck 10/19 features	Mailgun 11/19 features
Bulk list verification Upload a CSV or spreadsheet and get every address checked, with a downloadable results file and reason codes.	Yes	Yes
Real-time verification API An API that checks an address at signup or form submission before it enters the list.	Yes	Yes
Syntax and MX record checks Confirms the address is well formed and the domain has working mail servers.	Yes	Yes
SMTP mailbox check Connects to the mail server to confirm the mailbox exists without sending a message.	Yes	Yes
Catch-all domain detection Flags domains that accept every address so those results are marked unknown or risky rather than valid.	Yes	Yes
Disposable email detection Flags temporary and throwaway mailbox providers.	Yes	Yes
Role account detection Flags addresses such as info@, sales@ and support@ that belong to a function rather than a person.	Yes	Yes
Spam trap detection Flags known and likely spam trap addresses.	No	No
Abuse and complainer detection Flags addresses with a history of marking mail as spam.	No	Yes
Toxic domain detection Flags domains associated with fraud, litigation or bot signups.	No	Yes
Free mailbox provider flag Marks consumer mailboxes such as Gmail and Yahoo separately from business domains.	No	No
Typo suggestions Suggests a corrected domain for common misspellings such as gmial.com.	No	Yes
Email activity data Reports whether an address has opened or clicked mail recently across the vendor's network.	No	Yes
Per-address quality score A numeric score alongside the valid or invalid verdict, so borderline addresses can be ranked.	No	No
Email finder Finds a person's address from a name and a company domain.	No	No
Web form validation widget A JavaScript snippet or form plugin that validates addresses inside your signup forms.	No	No
List platform integrations Pulls a list from Mailchimp, HubSpot, Klaviyo or a CRM and writes the results back.	Yes	No
Non-expiring credit packs Credits bought once that never expire, without a subscription.	Yes	No
Duplicate removal Removes duplicate addresses from an uploaded list as part of the clean.	Yes	No
Overall Rating	0.0 0 reviews	0.0 0 reviews

MailerCheck 10/19 features

Bulk list verification: Yes
Real-time verification API: Yes
Syntax and MX record checks: Yes
SMTP mailbox check: Yes
Catch-all domain detection: Yes
Disposable email detection: Yes
Role account detection: Yes
Spam trap detection: No
Abuse and complainer detection: No
Toxic domain detection: No
Free mailbox provider flag: No
Typo suggestions: No
Email activity data: No
Per-address quality score: No
Email finder: No
Web form validation widget: No
List platform integrations: Yes
Non-expiring credit packs: Yes
Duplicate removal: Yes

0.0

(0)

Mailgun 11/19 features

Bulk list verification: Yes
Real-time verification API: Yes
Syntax and MX record checks: Yes
SMTP mailbox check: Yes
Catch-all domain detection: Yes
Disposable email detection: Yes
Role account detection: Yes
Spam trap detection: No
Abuse and complainer detection: Yes
Toxic domain detection: Yes
Free mailbox provider flag: No
Typo suggestions: Yes
Email activity data: Yes
Per-address quality score: No
Email finder: No
Web form validation widget: No
List platform integrations: No
Non-expiring credit packs: No
Duplicate removal: No

0.0

(0)

Pricing

MailerCheck

Pay as you go credits that never expire, 1 per address: $10 per 1,000, $80 per 10,000, $500 per 100,000; 1,000-credit minimum; 10 free credits on signup

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Mailgun

Free for 100 emails/day; Send from $15/mo for 10,000 emails; Optimize add-on from $49/mo; Inspect add-on from $99/mo. Billed monthly only, checked September 2026.

View plans

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