Send your email to our seed list and see exactly where it lands — inbox, spam, or promotions — at Gmail, Outlook, Yahoo and more. Plus SPF, DKIM, DMARC and blacklist checks. Free.
Start a free spam testNo account needed · 3 free tests/day · sign in for 10/day
Seed mailboxes at major providers report inbox vs spam vs promotions — not a simulation.
SPF, DKIM and DMARC verified from real received headers plus DNS.
Your sending IP checked against major DNS blacklists.
Your email scored by SpamAssassin with a plain-English fix list.
Start a test and we give you a unique token plus our seed addresses.
Send the exact email you'd send your list — from your normal platform — with the token in the subject.
As copies arrive (usually within minutes), your report fills in: per-provider placement, authentication, blacklist status and spam score.
Yes — 3 free tests per day, no account required. Sign in with your free Simple Business Suite account for 10 per day.
A spam test answers one question: does this email land in spam? Deliverability is the ongoing practice of keeping it out. Test before every major campaign and after any change to your sending setup.