Free Tool by InboxLine
Mail Tester
Test your email before you send — check deliverability, authentication Find out if your emails land in the inbox or spam folder — before you hit send.amp; sender score.
1 Get a test address
2 Send your email to it
3 Get your full report
Step 1 — Send your email to this address
Generating…
Send the exact email you want to test to this address, then click the button below.
What we check
SPF
Verify your server is authorised to send for your domain.
DKIM
Check your email is cryptographically signed and untampered.
DMARC
Confirm your domain has an anti-spoofing policy set.
SpamAssassin
Full rule-by-rule spam score breakdown.
rDNS & DNS
Check reverse DNS, MX and A records of your server.
23 Blacklists
Check your IP against all major email blocklists.
Analysing your email…
Checking if email was received
Checking SPF, DKIM & DMARC
Running SpamAssassin analysis
Checking DNS & reverse DNS
Analysing email content
Checking 23 blacklists
Calculating your final score
Your deliverability report
–/10
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Subject: –
From: – · Sending IP: –
From: – · Sending IP: –
SpamAssassin analysis
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spam score
Safe (0)Spam threshold: -5
Authentication — SPF · DKIM · DMARC
Server & DNS checks
Email content checks
Blacklist checks (23 lists)
0 / 23 listed
Fix these to reach 10/10
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