01 / 04
Why catch-all breaks standard verifiers
SMTP RCPT TO returns 250 OK for any address. That's it — there's no signal underneath. Verifiers without engagement data have nothing to fall back on.
Verification
Catch-All Email Checker — Verify Accept-All Domains Without Bouncing
If your current verifier just marks catch-all as "unknown" and dumps the cost on you, you're losing 28% of your TAM. Solve it once.
No credit card · Free forever plan · Cancel anytime · Month-to-month
275M+
Verified contacts
Unlimited
Credits on every paid plan
96–98%
Email deliverability
$29
Starting price / month
02 / 04
The 3 signals that actually work
- Engagement history — opens, clicks, replies on this exact address from our 5B-event dataset (anonymized)
- Pattern match — does this address match the verified pattern for other known employees at the domain?
- Syntactic plausibility — is the local-part likely a real name vs a test/script/scrape artifact?
03 / 04
What to do with the confidence score
Verified (≥85%) → send. Risky (60-85%) → send via separate warm-up IP or skip. Unknown (<60%) → skip or enrich with phone/LinkedIn instead.
04 / 04
Real cost of getting this wrong
A 5% bounce rate on a 10K send tanks domain reputation for 30+ days. Google starts spam-foldering, Outlook starts dropping. Catch-all handling is the single biggest lever for inbox placement on cold outbound in 2026.
Flat workspace pricing
Unlimited credits on every paid plan
Free
$0 /mo
For solo prospecting
- ✓100 credits / month
- ✓Email finder + verifier
- ✓Chrome extension
- ✓No credit card
Growth
$29 /mo
For founders & solo SDRs
- ✓Unlimited credits
- ✓Unlimited exports
- ✓Native cold-email sender + warmup
- ✓CRM sync
Pro
Popular
$79 /mo
Most teams pick this
- ✓Everything in Growth
- ✓5 seats included
- ✓AI Opportunity Engine
- ✓API access
Agency
$119 /mo
For agencies & 10+ teams
- ✓Unlimited workspaces
- ✓Unlimited seats
- ✓White-label exports
- ✓Pooled credits
FAQ
Frequently asked questions
A mail server configured to accept every address at the domain — sales@, info@, jklmnop@ all return 'valid' on SMTP check, even when the inbox doesn't exist. Standard verifiers can't tell good from bad on catch-all domains.
Three layers: (1) historical engagement data — has this address opened/clicked anything in our 5B-event dataset? (2) pattern confidence — does the address match the verified pattern for known employees at this domain? (3) syntactic plausibility. Combined, this gets accuracy on catch-all from 50% (coin flip) to ~85%.
Stop guessing on catch-all domains
Confidence-scored verification. Included on every plan.
Free forever plan · No credit card · Cancel anytime · Live chat under 2 hours
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