Master Cold Email Marketing

Connect 100+ Gmail accounts in one unified inbox. Send, manage, and track your cold email campaigns with enterprise-grade security and client-side privacy.

🔒 Your emails never leave your browser - 100% client-side processing

Unified Inbox

5 accounts
JD

[email protected]

Re: Your proposal looks great...

2m
SM

[email protected]

Interested in learning more...

5m
MJ

[email protected]

Thanks for reaching out...

1h

Everything You Need for Cold Email Success

Built specifically for cold email marketers who need to manage multiple accounts, track responses, and scale their outreach efficiently.

Bulk Operations Across All Accounts

Save hours with powerful batch operations that work across hundreds of email accounts simultaneously

Bulk Label Management

Add labels to all email accounts at once. Create consistent organization across your entire email portfolio with a single click.

Universal Filtering

Apply filters to all email accounts instantly. Automatically filter out warming emails, promotional content, or any unwanted messages across all accounts.

Automated Workflows

Set up automated rules that apply to all incoming emails across every connected account. Perfect for spam filtering and email categorization.

True Unified Inbox Experience

Search, filter, and manage emails across all your accounts from one powerful interface

Global Search

Search all email accounts at once. Find any email, contact, or conversation across your entire email portfolio instantly.

Cross-Account Labels

Check emails in any label across all accounts simultaneously. View "Prospects", "Follow-ups", or any custom label from every connected account.

Universal Starred

Check starred emails for all accounts at once. Never miss important messages marked across your entire email network.

Unified Inbox

Connect 100+ Gmail accounts and manage them all from a single, powerful interface. Switch between accounts seamlessly.

Client-Side Privacy

Your emails never touch our servers. Everything processes in your browser for maximum privacy and security.

Real-Time Sync

Automatic 3-minute sync keeps all your inboxes up-to-date. Never miss a reply or important message.

Advanced Compose

Compose, reply, and forward with rich text editing. Send from any connected account with one click.

Smart Filtering

Filter emails by account, status, labels, and more. Find exactly what you need in seconds.

Batch Operations

Select multiple emails and perform bulk actions. Archive, delete, or label dozens of emails at once.

Attachment Manager

View, download, and send attachments seamlessly. Emails with attachments are clearly marked.

Team Ready

Perfect for agencies and teams managing multiple client accounts. Each user has their own secure access.

Never Miss Another Sales Opportunity

Stop losing potential clients who email you directly while you're focused on campaigns in tools like Instantly or Smartleads

Unified Response Management

❌ Without LurvBox

  • • Miss direct replies while checking campaign tools
  • • Opportunities buried in separate inboxes
  • • Delayed responses hurt conversion rates
  • • No unified view of prospect interactions

✅ With LurvBox

  • • All emails from every account in one place
  • • Instant notifications for new prospects
  • • Quick response times increase conversions
  • • Complete conversation history at a glance

Superior OAuth Architecture

Unlike Instantly, Smartleads, and other cold email tools that use shared OAuth connections, LurvBox implements account-level OAuth for maximum stability and reliability.

Competitors' Shared OAuth Problems

Instantly & Smartleads

  • • Everyone uses the same OAuth app
  • • Frequent disconnections and reconnect requests
  • • Gmail API rate limits affect all users
  • • Account suspensions impact everyone
  • • No control over connection stability

Common Issues

  • • "Please reconnect your Gmail" notifications
  • • Campaigns paused due to auth failures
  • • Lost email data during reconnections
  • • Inconsistent sync performance

LurvBox's Account-Level OAuth

Self-Generated OAuth Apps

  • • Each user creates their own OAuth application
  • • Direct connection to your Gmail accounts
  • • Independent API rate limits
  • • No shared infrastructure vulnerabilities
  • • Full control over connection security

Rock-Solid Stability

  • • Zero unexpected disconnections
  • • No reconnection interruptions
  • • Consistent 24/7 email synchronization
  • • Immune to other users' issues
  • • Enterprise-grade reliability

Stop Dealing with Reconnection Headaches

Join the cold email marketers who never worry about OAuth issues again

Experience Stable Connections Today

🔒 Your Privacy is Our Priority

Unlike other email tools, LurvBox processes everything in your browser. Your emails never leave your device, ensuring maximum privacy and compliance with data protection regulations.

No server-side email storage
Client-side processing only
GDPR & SOC2 compliant

Simple, Transparent Pricing

Scale your email marketing with our flexible pricing tiers

Start FREE with up to 2 email accounts!

Get Started Free
Email AccountsMonthly CostAction
1-2 accounts$0Start Free
3-25 accounts$5Sign Up
26-50 accounts$9Sign Up
51-100 accounts$17Sign Up
101-200 accounts$32Sign Up
201-300 accounts$45Sign Up
301-400 accounts$56Sign Up
401-500 accounts (max)$65Sign Up

* Pricing is subject to change

Private Label Option

White-label LurvBox with your own domain and branding. Perfect for agencies and resellers.
$1000/month + 50/50 revenue share

Frequently Asked Questions

How does LurvBox keep my emails private?

LurvBox uses client-side processing, meaning your emails are never stored on our servers. Everything happens in your browser using secure OAuth2 connections directly to Gmail. This ensures maximum privacy and compliance.

Can I really connect 100+ email accounts?

Yes! LurvBox is designed for serious cold email marketers and agencies. You can connect as many Gmail accounts as your plan allows, all managed from one unified interface.

How fast do emails sync?

All accounts automatically sync every 3 minutes to keep your inbox current. You can also manually refresh any account instantly with one click.

What about attachments and rich emails?

LurvBox fully supports attachments, rich HTML emails, and embedded images. You can view, download, and send attachments just like in Gmail, with clear visual indicators for emails containing attachments.

Is the free tier really free forever?

Yes! You can connect up to 2 Gmail accounts completely free with no time limits. It's perfect for testing LurvBox or managing smaller email operations.

How secure is OAuth2 authentication?

OAuth2 is the gold standard for secure authentication. LurvBox never sees your Gmail password - Google handles all authentication. You can revoke access anytime from your Google account settings.

Ready to Scale Your Cold Email Marketing?

Join thousands of marketers who trust LurvBox for their email operations. Start free with 2 accounts and upgrade as you grow.