All-in-one email deliverability solution
Optimize every aspect of email deliverability from a single platform. Access tools for email verification, deliverability monitoring, technical configuration and email content analysis.
Comprehensive campaign analysis
Take control of email content with actionable insights to reduce bounce rates and avoid spam folders. Learn about your SpamAssassin spam score and identify issues with HTML, broken links, incorrect formatting, authentication, and spam phrases
Inbox placement testing for 8 providers
Check where your email campaigns land for 8 major email service providers including Gmail, Yahoo, AOL, Outlook, ProtonMail and more with Inbox Placement. Plus, learn if your campaigns are landing in Gmail’s Promotions tab.
Why is MailerCheck the best MailTester alternative?
Backed by deliverability experts
With 12+ years of experience in marketing and transactional email delivery, we know what it takes to achieve great deliverability.
24/7 customer support
Whether you need help getting started or are having trouble with a feature, our friendly and knowledgeable customer support team is just a click away!
Comprehensive API documentation
Effortlessly integrate MailerCheck with your app or website using the straightforward and regularly-updated API documentation.
User-friendly DMARC reporting
Monitor domain usage in real time and protect your sender reputation and deliverability. Get detailed reports to identify sending sources and troubleshoot issues so you can prevent unauthorized use and resolve SPF and DKIM failures.
Real-time blocklist monitoring
Learn immediately when an IP or domain has been added to an email blocklist. Get instructions and tips on how to get delisted as well as direct links to delisting pages so you can take action right away.
Email verification 3 simple steps
Simply upload your email list or import it via integration to the email validation checker and click to verify. Learn which emails are valid, invalid and risky and find catch-all, role-based, disposable, emails with typos and more.
Integrations
Our email verification solution is integrated with multiple email platforms. Integrate our email verifier to ensure a clean subscriber list before you hit send.
What MailerCheck users think
Join 144,093 happy customers worldwide who are already using MailerCheck.
I handed an intern the initial creation, setup and use of the MailerCheck account and it was a breeze. The setup went smoothly and it only took a couple of hours to do everything until running the email verification.
Why is MailerCheck a superior alternative?
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| Inbox Insights | ||
| SPF Validation | ||
| DKIM Validation | ||
| IP Blocklist check | ||
| Spam filter check | ||
| Email HTML check | ||
| Email links check | ||
| Email images check | ||
| Spam content check | ||
| Inbox Placement | ||
| Gmail (Inbox, Spam, Promotion) | ||
| Yahoo | ||
| AOL | ||
| Zoho | ||
| Outlook | ||
| GMX | ||
| ProtonMail | ||
| Mail.com | ||
| DMARC Reports | ||
| DMARC generator | ||
| Instant alerts | ||
| DMARC recommendations | ||
| DMARC Reports | ||
| Mail source monitoring | ||
| Blocklist Monitoring | ||
| IP address monitor | ||
| Domain monitor | ||
| Email alerts | ||
| Webhook alerts | ||
| Delisting button | ||
| Delisting instructions | ||
| Email List Verification | ||
| Single address verification | ||
| Bulk email verification | ||
| Real-time API verification | ||
| Invalid email detection | ||
| Catch-all emails detection | ||
| Disposable emails detection | ||
| Syntax error detection | ||
| Mailbox full detection | ||
| Role based emails detection | ||
| Past delivery errors detection | ||
| Typo detection | ||
| Mailbox blocked detection |
Ready to use a faster, better email verification tool?
Sign up to MailerCheck for free and get 200 free credits to start off with plus access to email marketing optimization tools such as Email Insights and Inbox Placement.
Ready for better email deliverability?
Sign up to MailerCheck for free and get 200 free credits to start off with plus access to email verification testing and our real-time email validation API.