Smartlead

Smartlead

Paid

Cold email infrastructure platform with unlimited mailboxes, AI warmup, and a built-in master inbox.

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What is Smartlead?

Smartlead is a cold email platform built for agencies and high-volume outbound teams. Every plan includes unlimited connected mailboxes and unlimited warmup with no per-inbox surcharge, which fundamentally changes the cost maths against tools that charge per mailbox or per seat: an agency running fifty inboxes pays the same flat tier as one running five. It handles inbox rotation, deliverability monitoring and a unified master inbox for replies. Plans run roughly $39, $94, $174 and $379 a month with about 17 percent off annually, differentiated by active lead capacity and monthly send volume rather than users. Budget beyond the subscription, though: domains, mailbox provisioning, email verification credits, deliverability testing and white-label client workspaces are all separately priced add-ons, and for agencies at scale those commonly match or exceed the plan fee itself.

Key Features

Unlimited Mailbox ConnectionsAI Email WarmupSmartAgents AI SDR AutomationUnified Master InboxMulti-channel Outreach SequencesCampaign A/B TestingEmail Deliverability AnalyticsDedicated IP Infrastructure (SmartInfra)Smart Dialer for AI CallsLead Database (SmartProspect)Email VerificationInbox Rotation and SchedulingCRM IntegrationWhite-label Agency DashboardCustom Domain TrackingWebhooks and API AccessEmail Placement Testing

How to Use Smartlead

1Connect your email accounts and enable AI warmup
2Upload or find leads using SmartProspect
3Build a multi-step outreach campaign with personalization
4Enable SmartAgents to auto-reply and qualify leads
5Monitor all replies in the Unified Master Inbox and track campaign analytics

✅ Best For

  • Cold email agencies and outbound-heavy B2B sales teams that send thousands of emails daily across multiple client accounts and need enterprise-grade deliverability infrastructure, unified inbox management, and AI agents that can handle replies autonomously.

❌ Not For

  • Businesses looking for a simple one-mailbox cold email tool or a full CRM with pipeline management, as Smartlead is purpose-built for high-volume outbound infrastructure rather than end-to-end sales process management.

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Pricing

Basic$39/mo
  • ✓2
  • ✓000 active leads
  • ✓unlimited mailboxes
  • ✓AI warmup
Pro$94/mo
  • ✓30
  • ✓000 active leads
  • ✓multi-channel
  • ✓A/B testing
CustomCustom
  • ✓Unlimited leads
  • ✓white-label
  • ✓dedicated CSM

Prompts to Try

Set up a 5-step cold email sequence targeting SaaS founders with a custom intro line based on their company's recent funding round

Review the deliverability health of all my connected mailboxes and flag any with spam rate above 2%

Generate a follow-up email that references the prospect's specific pain point mentioned in their previous reply

Use Cases

An outbound agency owner uses Smartlead's white-label dashboard to manage campaigns for 12 clients from a single interface, rotating across 80 sending domains and maintaining above 90% inbox placement for all accounts.
An SDR manager deploys Smartlead's SmartAgents to automatically reply to prospects who respond to cold emails with interest, qualify them with two follow-up questions, and schedule a calendar link, booking 20 meetings in a week without any manual intervention.
A solo sales consultant uses Smartlead's AI warmup to ramp up 8 new email accounts over 4 weeks, then launches a 3,000-email campaign with a 68% open rate due to strong sender reputation.
A growth hacker uses Smartlead's A/B testing to compare four different email openers across 2,000 prospects, identifies the winning variant with a 9% reply rate, and scales it to the full list.
A B2B lead gen agency uses Smartlead's unified master inbox to manage 500 simultaneous reply conversations across 20 client campaigns, assigning conversations to virtual assistants based on client and response type.

Frequently Asked Questions