MailTantra
MailTantra
Private Beta · Limited Spots Available

AI-PoweredMailTantraEmail Outreachthat Converts.

MailTantra is an AI-powered cold email outreach platform built for marketing agencies. It writes personalized emails, manages sequences, detects replies, and tracks your ROI, replacing the spreadsheets and disconnected tools agencies normally duct-tape together.

Built by a team that ran cold-email campaigns for agencies for years before building this.
Send from the inboxes you already own
Gmail
Google Workspace
Outlook
Custom SMTP
Gmail
Google Workspace
Outlook
Custom SMTP
One Platform, Not Five Tabs

Everything you need to drive Growth.

Cold email campaign building, inbox warmup, and reply tracking, the sales automation agencies actually need, live in one platform built specifically for them.

SENDING BEHAVIOR
Sent2,840
Delivered2,705
Replied523

Sending Behavior Analytics

Track sent volume, open/click/reply rates, and deliverability score, with send-timing insights broken down by inbox and campaign.

AI CAMPAIGN STUDIO
Sequence: 4 steps, 3 variants each
Step 1 subject: Quick question about TechCorp's rollout
Hi Sarah,
Running compliance check, spam triggers: none found. Ready to send...

AI Campaign Studio

Describe your campaign in chat and the AI builds the sequence, up to 10 steps with variants for testing, written to avoid spam triggers and stay inbox-safe.

EMAIL SEQUENCE
Day 1
Initial outreach
Day 3
Follow-up #1
Day 7
Follow-up #2
Reply
Auto-stop sequence

Automated Sequences

Multi-step follow-up sequences with a configurable delay between steps that stop automatically the moment a prospect replies.

Deliverability

Warm up with real engagement, not bots.

Choose pool, network, or hybrid warmup. Network mode pairs your inbox with real MailTantra users for genuine engagement instead of synthetic sends that can burn out a domain.

Pool warmup
Network warmup
Hybrid mode
Per-inbox health score
SAMPLE ACCOUNT
Active Warmups3
Campaigns Active5
Inboxes Connected3
Avg Health Score92%
Warm-up network

Real inboxes, not a synthetic pool.

Warm-up sends route through real, verified inboxes owned by other agencies, not synthetic test accounts. List your own idle mailboxes to earn credits, branded Rent & Earn, redeemable for cash once engagement confirms the send was real.

See how it works
How It Works

From verified leads to inbox-safe sends.

Add your leads, let the AI Campaign Studio build the sequence, and watch replies show up in your dashboard.

01 / ADD YOUR LEADS

Bring your own list, or let AI build one.

Upload a CSV, or use Smart Leads to define a target audience and let MailTantra search, validate, and score deliverability for you. Bad and risky addresses get flagged before they ever hurt your sender reputation.

  • →CSV import
  • →AI-sourced Smart Leads
  • →Email verification before send
02 / AI CAMPAIGN STUDIO

Chat with the AI, get a full sequence.

Tell the AI Campaign Studio who you’re targeting and how many follow-ups you want. It writes each step with multiple variants to test, checks for spam triggers, and fixes anything that could hurt deliverability, before you send a single email.

  • →Up to 10-step sequences
  • →Multiple variants per step
  • →Built-in compliance checks
03 / WARM UP & TRACK REPLIES

Sending stays healthy. Replies stop the sequence.

Every inbox can run through warmup before it sends cold outreach. Once a prospect replies, MailTantra detects it, classifies it, and stops the sequence automatically so no one gets a follow-up after they’ve already responded.

  • →Pool, network, or hybrid warmup
  • →Automatic reply detection
  • →Auto-stop on reply
Scroll to explore
01-LEADS VERIFIED
All
Verified
Risky
Blocked
2,400 leads
S
Sarah Chen
Head of Marketing @ TechCorp Inc
Verified
L
Liam Rodriguez
CEO @ GrowthWave
Verified
E
Emma Davis
VP Sales @ Scalify
Risky
J
James Kim
Founder @ Launchpad.io
Verified
Benefits

Benefits to keep your team in sync.

Real-time Analytics

Track every open, click, and reply as it happens. Spot winning campaigns fast.

Built-in Support

Raise a ticket without leaving the dashboard. Track status and priority in one place.

Smart Leads

Define a target audience and let AI find, validate, and score decision-makers for you, no manual list-building.

Domain Verification

SPF, DKIM, and DMARC status checked per domain, plus inbound and tracking domain verification built in.

Guided Onboarding

A step-by-step get-started flow walks you through connecting an inbox and launching your first campaign.

Sending Caps That Protect You

Per-inbox daily send limits are enforced automatically, so no single mailbox gets pushed past what looks human.

MailTantra
AI Email Outreach
Smart Sequences
Reply Detection
AI Email Outreach
Smart Sequences
Reply Detection
AI Email Outreach
Smart Sequences
Reply Detection
Lead Management
Campaign Analytics
Personalization at Scale
Lead Management
Campaign Analytics
Personalization at Scale
Lead Management
Campaign Analytics
Personalization at Scale
Private Beta · Limited Spots

Join the waitlist. Get early access.

We onboard a small batch of agencies at a time so we can actually talk to each one. Reserve your spot now.

What you get as a beta member
First access when we launch
Skip the waitlist queue. Early registrants get priority onboarding.
Founding member pricing
Lock in a rate that never goes up. Private beta users get the best deal we'll ever offer.
Shape the product roadmap
Direct access to the founders. Your feedback decides what we build next.
White-glove onboarding
Our team will personally help you launch your first campaign successfully.
We onboard a handful of agencies at a time
So we can actually talk to each one, not lost in a queue
WAITLIST APPLICATION
Request Early Access

No credit card. No commitment. We'll reach out personally.

Pricing

Free during private beta.

MailTantra is currently in private beta — full access, no credit card, no cost. We're building pricing with our beta users, not before them.

Beta Member Benefits
  • Full product access, every feature unlocked
  • No credit card required
  • Founding member rate locked in for life
  • Direct line to the founders for support & feedback

When we introduce paid plans, everyone who joined during beta gets grandfathered into founding-member pricing that never goes up.

Request Early Access →
FAQs

Frequently asked questions.

No. MailTantra is built for agencies and sales teams, not engineers. A guided get-started flow walks you through connecting an inbox, uploading leads, and launching your first AI-built sequence, zero coding required.

The AI Campaign Studio uses each lead's name, role, company, and industry to write a sequence tailored to your audience, then runs every draft through a compliance check that flags spam-trigger language before it ever gets sent.

MailTantra includes built-in deliverability tools: inbox warm-up (pool, network, or hybrid mode), bounce detection, spam-keyword filtering on every AI draft, and a daily sending cap per inbox so no single mailbox gets pushed past what looks human.

MailTantra connects to Gmail, Google Workspace, Outlook, and custom SMTP inboxes. You can connect as many inboxes as you need and choose which one each campaign sends from.

Yes. You can upload leads via CSV with automatic validation, deduplication, and tagging. We support custom fields and lead segmentation out of the box.

Nothing right now — we're in private beta and it's free to use, no credit card required. We're still finalizing pricing based on real usage from our beta agencies. Everyone who joins during beta gets grandfathered into founding-member pricing once we launch paid plans.

Get in before everyone else
does.

MailTantra is in private beta. Join the waitlist and get early access when we open the next cohort.

Join the WaitlistSee How It Works

No credit card required. Beta spots are limited, and early registrants get priority access.