The All-in-One Deliverability & Outreach Suite • 0+ Processed

Find. Verify. Warm. Send. Everything your emails need to succeed

The unified platform that connects B2B contact discovery, 12-layer email verification, autonomous AI mailbox warmup, and high-deliverability marketing campaigns under a single flexible credit balance.

Syntax & Format
Valid
MX & DNS Lookup
Google MX
SMTP Ping Handshake
Mailbox Active
Spam Trap & Risk
0% Risk (Safe)
Validation completed in 148ms • Guaranteed deliverable
Status: 250 OK
All 4 tools share 1 unified credit balance. No separate subscriptions required.View Unified Plans →
50M+
Emails Verified & Cleaned
250M+
Corporate Profiles Indexed
98.8%
Primary Inbox Placement
4.8x
Higher Engagement Lift
Platform Suite

The four tools powering your outbound engine.

Every tool is purpose-built to maximize deliverability, eliminate bounce risks, and connect you directly with decision-makers.

Email Finder & Prospector

Discover verified professional email addresses of decision-makers across millions of company domains. Identify company syntax patterns with confidence scoring.

Domain SearchPattern ConfidenceBulk CSV Search
Explore Email Finder

Real-Time Email Verifier

Protect your sender score with our 12-layer verification engine. Executes real-time SMTP handshakes, MX validation, disposable detection, and honeypot filtering in <200ms.

12-Layer VerificationSMTP HandshakeSpam Trap Filter
Explore Email Verifier

Autonomous AI Email Warmup

Condition mailboxes with a peer-to-peer mesh of 50,000+ real mailboxes. Powered by OpenAI, Claude, and Gemini with automated spam-to-inbox rescue and randomized human gaps.

Multi-LLM (GPT & Claude)Spam Auto-RescueHumanized Intervals
Explore Email Warmup

High-Deliverability Email Marketing

Launch personalized outbound cold campaigns with dynamic merge tags, subject line A/B testing, and smart volume throttling to maintain 60%+ open rates.

Dynamic Merge TagsA/B Testing1-Click RFC 8058
Explore Email Marketing
B2B Prospecting

Find decision-makers & company email patterns.

Connect with the people who matter to your business. Search company domains to reveal staff rosters, executive roles, and corporate email patterns with statistical confidence scores.

Domain & Staff Search

Discover active corporate emails and company-wide syntax structures across 250M+ profiles.

Role & Department Filters

Filter prospects by seniority (C-Suite, VP, Director) or departments (Sales, Tech, HR).

1-Click Synergy with Verifier

Pass discovered leads straight into Dottor Mail Verifier to execute real-time SMTP checks.

Target Domain: linear.appPattern: {first}@linear.app
Karri Saarinen
Co-founder & CEO
karri@linear.app99%
Tuomas Artman
Co-founder & CTO
tuomas@linear.app99%
Nan Yu
Head of Product
nan@linear.app96%
12-Layer Verification
5 of 5 free checks left today

Kill bounce rates with real-time SMTP validation.

Before sending an email, verify that the mail server exists, accepts mail, and that the specific inbox is active. Prevent domain blacklisting and save sender reputation.

Syntax, RFC standards, and typo correction
Live MX DNS routing and catch-all detection
Real-time SMTP handshake without sending an email
Spam trap, honeypot, and disposable domain filters
Live Validation Pipeline Breakdown
Syntax Validation
Passes RFC 5322 specs & domain typo check
Valid
DNS & MX Records
Authoritative mail server verified on port 25
Active
SMTP Handshake Ping
Recipient mailbox verified in real time
Deliverable
Spam Trap & Honeypot
Clean status across 50+ threat databases
Safe
Disposable Email Check
No temporary mail host detected
Corporate
Autonomous Deliverability

Multi-LLM email warmup with automated spam rescue.

Connect with our peer-to-peer network of 50,000+ real mailboxes. OpenAI, Claude, and Gemini craft context-rich conversations that automatically pull emails out of spam, mark as important, and build 99% primary inbox placement.

OpenAI, Claude 3.5 & Google Gemini Engines

Rotates models to generate diverse, natural business threads without static spam triggers.

Automated Spam-to-Inbox Rescue

If an email hits spam, our receiver pulls it to the Primary Inbox and marks it as important.

Randomized Human Intervals (2–8 Min)

Gradual ramp-up with natural gaps mimics real organic sending behavior.

P2P Warmup Mesh Active98.8% Primary Inbox
Sender MailboxSent to Google Workspace peer

“Subject: Re: Cloud migration rollout specs...”

Claude 3.5 AI Peer ReplyMarked as Important ★

“Hey! Looks great. Let's lock in Wednesday at 2pm for the final test run.”

Revenue Generation

Scale outbound outreach with primary inbox placement.

Launch personalized marketing sequences and cold outreach campaigns backed by pre-verified recipient lists, dynamic merge variables, A/B testing, and smart volume throttling.

Dynamic Personalization Tags

Inject custom variables like {{first_name}}, {{company}}, and {{job_title}} with fallback defaults.

A/B Testing & Smart Throttling

Split-test subjects and space sends across hours to maintain healthy domain scores.

1-Click RFC 8058 Compliance

Built-in standardized unsubscribe headers required by Google and Yahoo.

Campaign: Enterprise Expansion Q499.4% Delivery
Sent
4,820
Opens
62.8%
Replies
19.4%
Subject: Scaling deliverability at {{company_name}} (A/B Variant A)
Integrated Ecosystem

The complete outbound flywheel.

How the four tools connect seamlessly to turn cold contact data into profitable revenue:

Step 01

Find

Discover decision-makers & company syntax patterns with Email Finder.

Explore tool
Step 02

Verify

Run leads through 12-layer verification to eliminate hard bounces.

Explore tool
Step 03

Warm

Build sender reputation across 50K+ mailboxes with AI conversations.

Explore tool
Step 04

Send

Launch personalized campaigns that land directly in the primary inbox.

Explore tool
One-Time Credit Packages

Simple, transparent pricing. Pay once, use anytime.

No monthly subscriptions, no recurring lock-ins, and no hidden fees. Purchase unified credits once and allocate them freely across Finder, Verifier, Warmup, and Marketing. Credits never expire.

100% One-Time Payment
Credits Never Expire
No Recurring Subscriptions
All 4 Products Included
Customer Stories

Trusted by fast-growing revenue teams.

Dottor Mail transformed our outbound strategy. We find leads with the Finder, clean them with the Verifier, and warm our inboxes with the AI engine. We cut our bounce rate to 0.1% and doubled our meetings.

Sarah Chen
Head of Marketing, ScaleUp Inc.

Having Email Finder, Verification, AI Warmup, and Campaigns under one roof with a single credit pool eliminates expensive SaaS subscriptions. We just buy credits whenever we need them.

Marcus Rivera
Outbound Growth Lead, NexusMedia

The multi-LLM warmup engine with Claude and GPT generates the most natural peer replies I've ever seen. Our domain reputation went from damaged to 99% primary inbox placement in 18 days.

Dr. Aisha Patel
CTO, CloudScale Technologies
Security & Architecture

Enterprise security & seamless CRM integrations.

Dottor Mail adheres to strict enterprise standards. We maintain zero data retention on verified lists, encrypt all communications via TLS 1.3, and connect natively to your marketing stack.

GDPR & SOC 2 Aligned
Zero Data Retention
REST API & Webhooks
HubSpot, Salesforce & Zapier
Native Integrations
HubSpotSalesforcePipedriveZapierGoogle WorkspaceMicrosoft 365MailchimpSendGridAmazon SESCustom Webhooks
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Supercharge your outbound deliverability today.

Join 10,000+ businesses using Dottor Mail to find leads, kill bounces, warm inboxes, and scale campaigns.

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