Free tools for every part of your email setup.
Check a record, generate one, look up a blacklist, decode a header, or see where your mail actually lands. These are the free tools we offer, grouped by the job you need done.
Test & monitor
Inbox Placement
where does your mail land?
Email Preview
render across 50+ clients
Email Verifier
valid, catch-all, disposable
Email Health Check
scan your whole setup
Email Spam Words Checker
flag spammy wording
Deliverability Statistics
daily inbox benchmarks
Email Marketing Calendar
key dates by country
Authentication
Record generators
Blacklist & DNS
Email Blacklist
is your address listed?
Domain Blacklist
is your domain listed?
IP Blacklist
is your IP listed?
MX Lookup
inspect your mail servers
Header Analyzer
decode raw email headers
EML Viewer
open saved email files
TLS-RPT Checker
read your TLS report record
DMARC Report Analyzer
read your aggregate reports
MTA-STS Checker
read the record, then the policy