TESTReach the inbox, every time.
Validating and scoring your email list are the first steps to better deliverability. But will all your emails make it to the inbox? Also, is your mail server set up properly? Use our email testing tools to find out – before you press Send.
Get one of each test free, every month








Inbox Placement Test
How many of your emails will reach the inbox? With ZeroBounce Test™, we verify mailbox providers around the world and quickly determine the placement or your campaign.
Inbox, spam or missing– you find out within minutes where your email is about to land, so you can adjust for the highest deliverability.
Test Your Inbox Placement in 3 Easy Steps

Build your email
Build your email in MailChimp, AWeber, Constant Contact or any other email service provider (ESP). Once you’re finished, log into your ZeroBounce account and click on Inbox Placement Tester. Follow the instructions to begin testing.

Choose the mailbox providers
Choose from 20+ international testing addresses. These are the most commonly used email providers. Create your test list in your ESP, populate it, then send your campaign to those addresses. Our system will check these inbox and spam folders so we can deliver your results.

View Your Results
Once your email has landed in the selected mailbox providers, the Inbox Tester returns your results in a matter of minutes. This quick insight helps you identify any issues and consult with your postmaster to find ways to fix them.
Test your inbox placement FREE
Get a free inbox placement test, every month

Email Server Test
Get a detailed look into your mail server settings and analyze email headers to ensure your setup is configured correctly. We use header information from your email to run more than 100 mail tests against your mail server configuration. If we find references to additional mail servers in your headers, configuration or DNS records, we'll test those too!
Test Your Mail Server Configuration in 3 Easy Steps

Send a test email
We’ll assign you an email address. Start by sending your email to this address from the mail server you want to test.

Get your results in minutes
You’ll receive your results within minutes and see the warnings and critical settings we detected on your mail server.

Fix potential issues
With this data in hand, you can identify potential issues with your mail server and fix them to increase your inbox placement.
Test your mail server configuration
Get a free mail server test, every month
Our email server testing is second to none.
Header Information
Return Path
DKIM Signature
DomainKey Signature
Message ID
X-AntiAbuse
and more
RFC Based Testing
RFC 2045 (MIME)
RFC 4406 (Sender ID)
RFC 4408 (SPF)
RFC 4871 (DKIM)
RFC 5322 (Message Format)
and more
DNS Records Checks
MX Records
rDNS PTR Records
SPF Records
Last Sending Domain
A Records
and more
Email Port Checks
Connection Status
Supported Extensions
SMTP Banner rDNS
SSL Protocol
SSL Cipher
and more
DMARC Analysis
RUA Check
RUF Check
ADKIM Test
ASPF TEST
DKIM Test
and more
Other Tests
SPF Alignment
DKIM Alignment
DMARC Check
Author Domain Signing Policy
DomainKeys Check
and more
The best verification and cleaning starts with ZeroBounce
- Get 100 free monthly email verifications
