Do your emails reach their destination? Are you sure? 🤔
Send a test email and see why it might not arrive (SPF, DKIM, DMARC, blacklist).
Send an email to this address:
What do we check?
Professional email diagnostics examining all important settings for maximum deliverability.
SPF
Sender Policy Framework
We verify that the sending server is authorized to send email on behalf of the domain.
DKIM
DomainKeys Identified Mail
We verify the digital signature that guarantees email authenticity.
DMARC
Domain-based Message Authentication
We check the domain's email authentication policy.
SpamAssassin
Spam Score
Industry-standard spam filter analysis with detailed scoring.
Blacklist
IP/Domain Blocklist
Check 23+ blocklists to see if your IP or domain is listed.
rDNS
Reverse DNS & HELO
We verify the server's reverse DNS settings and HELO greeting.
How does it work?
Just three simple steps, and you'll know if your emails reach recipients.
Generate test address
We automatically create a unique email address for you.
Send an email
Send a test message from your own server to this address.
Analyze the results
Instantly receive detailed analysis and score.
Receiving email
SPF check
DKIM signature
DMARC policy
Blacklist check
SpamAssassin
Content analysis
Score calculation
Learn email concepts
Everything you need to know about email authentication, deliverability, and spam filters.
Want to check if your emails meet these requirements?
Start a test