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Email Finder is the 'I know who I want to email — find their address' tool. It is more accurate than guessing patterns by hand, and the verification step is what separates a 95% deliverable list from a 65% deliverable one.
Who this is forSDRs and founders who already have a target prospect (from LinkedIn, an event list, or a referral) and need their email. Most-used Hunter workflow after Domain Search.
What you'll need
Step 1
Hunter → Email Finder → first name, last name, domain. Returns most likely email + confidence score.
In Hunter, click Email Finder.
Enter: first name (e.g., "Jane"), last name (e.g., "Smith"), company domain (e.g., "stripe.com").
Hunter returns the most likely email + a confidence score (0-100%).
Confidence is based on: pattern match across the domain, verification status, public-web source signals.
Step 2
95%+ = high confidence. 80-95% = likely correct, verify before sending. Below 80% = uncertain, often a guess based on pattern.
95%+: Hunter has direct sources for this email (job listings, public profiles). Safe to send after one final verification.
80-95%: Pattern-matched + partial source confirmation. Verify before adding to a sequence.
Below 80%: Pattern-guessed only. Often wrong. Either skip or run extra verification.
Rule: never trust a confidence score alone. The verification step is what counts.
Step 3
Click "Verify" or use Email Verifier separately. Confirms the email is deliverable via SMTP + DNS checks.
Right after Email Finder returns a result, click "Verify."
Hunter runs: SMTP handshake, MX record check, mailbox existence ping.
Returns one of: Valid (safe to send), Accept-all (server accepts all — risky for cold), Invalid (do not send), Unknown (verification timed out).
For cold outreach: only send to Valid. Skip everything else.
Step 4
Bulks → Email Finder → upload CSV with first name, last name, company name. Hunter finds emails for each row.
For more than 10-20 prospects, use Bulks instead of one-by-one Email Finder.
Click Bulks → Email Finder → upload CSV.
CSV columns required: first_name, last_name, company OR domain.
Hunter processes in batches. Costs 1 search credit per row. Returns CSV with email + confidence + verification per row.
Bulk verification runs automatically — no separate verification step needed.
Step 5
Click "Save to Leads" on each result. Creates a named list you can export or sync to CRM/outreach later.
After each Email Finder result, click "Save to Leads."
Pick an existing list or create a new one (e.g., "Q2 2026 SaaS Founders").
Leads lists in Hunter behave like CRM contact lists — exportable, syncable, taggable.
Use Leads as the staging area between finding contacts and sending outreach.
Common mistakes
Skipping verification
What goes wrong: You email an unverified 85%-confidence address. It bounces. Repeat 50 times. Bounce rate at 10%+. Gmail/Outlook spam-folder your sender domain. Future sends to verified addresses land in spam too.
How to avoid: Always verify after Email Finder. Add 1-2 minutes per email — saves weeks of deliverability damage.
Sending to "Accept-all" emails
What goes wrong: Accept-all servers accept any address, valid or not. Your email delivers but the human never sees it. Hidden 30-50% wasted-send rate.
How to avoid: Skip Accept-all for cold outreach. Use only Valid status.
Trusting low-confidence (<80%) results
What goes wrong: You add a 65% confidence email to a sequence. It bounces or goes to a wrong person who marks it spam. Compound damage.
How to avoid: Below 80% confidence: either skip or extra-verify with a second tool (NeverBounce, ZeroBounce).
Doing one-by-one when bulk would work
What goes wrong: You manually look up 80 contacts via Email Finder. Takes 4-5 hours. Bulks → Email Finder would have done it in 20 minutes.
How to avoid: Above 10-20 prospects, always use Bulks. Faster, same credit cost, auto-verifies.
Not saving to Leads
What goes wrong: You export each lookup to CSV. You now have 30 CSVs. Half are lost in Downloads folder. Re-doing lookups costs credits.
How to avoid: Save every result to a named Leads list. Export the list when ready to send.
Recap
Done — what's next
How to use Hunter.io Domain Search to find all emails at a company
Read the next tutorial
Hand it off
Looking up emails one-by-one is fine for ABM. Running a 1,000+ prospect campaign is a job. A vetted demand-gen specialist will own list-building end-to-end. From $14-16/hr.
See specialist rates
On 95%+ confidence + verified: 95-97% deliverable. On 80-95% + verified: 88-92%. Below 80%: 60-75%. Always verify regardless of confidence.
Hunter still tries pattern-matching based on other emails at that domain. Returns a guess with confidence score. Below 70%, treat as unreliable.
Hunter accepts company name and infers domain. Less reliable than passing domain directly. For best accuracy, always pass domain.
Yes. Repeated lookups within 30 days of the same name+domain do not charge new credits. View History → Email Finder.
Search credits run Email Finder + Domain Search. Verification credits run Email Verifier. Most plans include 2x verification credits for every 1 search credit.
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Domain Search is Hunter's most-used feature — and the easiest to waste credits on. This walks through the filtered-export workflow that returns 10 useful contacts instead of 50 noisy ones.
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Email Verifier is the difference between 1% bounce rate and 12% bounce rate. This walks through single and bulk verification, the status codes that matter, and the cleanup rules that protect sender reputation.
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Bulks is where Hunter actually pays for itself. Find emails for 500-5,000 names in 30-60 minutes. This walks through the CSV format, processing time, credit math, and the cleanup pass.
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DIY cold email is great — until reply rate caps at 1.5% and you cannot tell why. Here is the honest framework: when the cost of self-managing exceeds the cost of hiring.