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  1. Home
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  3. Email Warmer

Best Email Warmer Tools

Email warm up tools are essential for anyone sending cold emails or managing new email accounts. This guide covers the best email warm up tools designed to help sales, marketing, and GTM teams improve email deliverability.

You'll find clear comparisons, use cases, and tips on choosing the right software. Whether you're starting fresh or scaling outreach, this article helps you pick the right fit.

What is Email Warmup Software?

Email warmup software helps prepare new or inactive email accounts for large-scale sending. Instead of hitting spam filters or getting low open rates, these tools gradually build trust with email providers by mimicking real interactions.

Typically, sales reps, marketers, and customer success teams use email warmup when launching new campaigns or domains. For example, before a cold email blast, you might warm up your inbox to avoid ending up in the spam folder. Or when you create a new sales outreach email, warming the account helps establish credibility.

Basically, it’s like training your email inbox to be trusted and recognized by recipient servers.

Why do Teams Use Email Warmup Tools?

Teams use email warmup tools to solve a common problem: poor inbox placement that kills outreach results.

By warming up inboxes, teams increase open rates, boost replies, and protect sender reputation. This drives more leads and revenue from email campaigns.

Here’s what email warmup tools help with:

  • Avoiding spam filters
  • Improving email deliverability
  • Scaling outreach efficiently
  • Saving time on manual warmup
  • Managing multiple email accounts at once

Sales teams, marketing departments, and ops teams benefit the most. Instead of guessing when an email gets flagged, they rely on tools that ensure emails land in the inbox, not junk.

What Are the Best Email Warmup Tools?

To jump right in, the best email warmup tools come in different types: fully automated warmup, semi-automated, and integrated outreach platforms.

Here’s a quick look at popular choices you’ll want to consider:

ToolTypeBest ForPricing Range
LemlistOutreach + WarmupSales teams and marketersMid-tier
WarmboxAutomated WarmupIndividual and small teamsBudget-friendly
SaleshandyOutreach + WarmupSMBs and startupsAffordable
WoodpeckerOutreach + WarmupEnterprise sales teamsPremium
WarmupinboxAutomated WarmupQuick inbox warmupLow cost

This list is curated from tools tested in real outreach scenarios. Each one offers useful features, whether you want hands-off warmup or a combined sales solution.

How Do You Choose the Best Email Warmup Software for Your Team?

Choosing the right warmup software depends on your team’s needs and budget. Start by considering these criteria:

  1. Team size: A small sales team needs a simple tool; larger teams require scalable software.
  2. Budget: Free or low-cost options work for beginners; bigger teams can invest in advanced features.
  3. Integrations: Look for tools that fit your existing email service and CRM.
  4. Scalability: Choose software that grows with your outreach volume.
  5. Ease of use: The software should be intuitive so your team uses it regularly.

By focusing on these factors, you avoid wasting time on features you won’t use. The goal is smooth adoption and consistent warmup results.

What Features Should You Look for in Email Warmup Software?

Once you narrow your options, check for key features that truly impact your email warming journey:

  • Automated warmup schedule to save you time
  • Real email interactions that simulate opens and replies
  • Analytics dashboard to track deliverability improvements
  • Multiple account support for managing many inboxes
  • Integration with your email provider (e.g., Gmail, Outlook)
  • Advanced IP reputation monitoring to catch issues early

These features ensure your inbox warms naturally and your campaigns stay healthy over time.

What Are Common Use Cases for These Tools?

Let’s look at some specific situations where email warmup tools shine:

  • A startup launching a new domain for sales outreach
  • Marketing teams warming cold prospect lists before campaign launch
  • Sales reps managing multiple outreach accounts without manual follow-ups
  • Customer success teams sending onboarding emails from fresh inboxes
  • Agencies running campaigns for different clients at scale

These examples show how teams across departments use email warmup tools to maintain strong email sender reputations.

What Benefits Can You Expect from Using Email Warmup Tools?

By using email warming software, you’ll see clear, measurable improvements like:

  • Faster ramp-up to full sending volume
  • 20–30% higher open rates in outreach campaigns
  • Less time manually managing inbox reputation
  • Improved reply rates leading to more leads and deals
  • Reduced risk of being blacklisted or flagged as spam

These benefits boost both your daily email efficiency and long-term revenue from outbound efforts.

What Should You Know Before Getting Started?

Before you dive in, be aware of common challenges:

  • Initial setup can be a bit technical—give yourself a few hours to configure.
  • Some tools require ongoing monthly fees—budget accordingly.
  • Adoption takes discipline; warmup works best with consistent use.
  • Results may take 2–3 weeks to reflect in inbox performance.

To overcome these, start small, read guides, and pick software with good support. Taking these steps helps you warm your inbox smoothly and get ready for successful email outreach.

If you’re ready, jump in and start warming your email the right way.

See also:

Account Research
AI Avatars
AI Writing Assistants
Best Sales Tools
Buyer Engagement
Catch-all verification
Contact Syncing & CRM Integration
Copywriting
CRMs
Customer Service
Lemlist

Lemlist

AI-powered Sales Engagement Platform for Converting Ideal Buyers

View

Pricing

Starting at $55

Key Features

Find qualified leads fast
Enrich contact info automatically
Personalize outreach at scale
Lemlist

Lemlist

View

lemlist helps salespeople and marketers reach more customers by building lead lists, personalizing outreach, and improving email deliverability. It automates email personalization at scale and warms up email domains to avoid spam filters, supporting successful cold outreach campaigns across multiple communication channels.

Best For

Startups
SMBs
Agencies
Woodpecker

Woodpecker

AI assistant for lead gen sales &recruitment professionals.

View

Pricing

Starting at $20

Key Features

Send cold emails easily
Free email verification
Automatically build sender reputation
Woodpecker

Woodpecker

View

Woodpecker helps sales teams, lead generation agencies, recruiters, and business owners send personalized cold emails at scale. It ensures deliverability through features such as email verification, automated warm-up, and adaptive sending, integrating with popular CRMs and offering add-ons like lead finding and agency panels.

Best For

Startups
Agencies
SMBs
Warmbox

Warmbox

Warm-up your cold email inbox

View

Pricing

Starting at $15

Key Features

Connect inbox from any provider
Automated human-like email interactions
Remove emails from spam folder
Warmbox

Warmbox

View

Warmbox helps companies and individuals ensure their emails reach inboxes instead of spam folders. It simulates realistic email interactions within a private network of inboxes, automatically improving sender reputation and email deliverability.

Best For

Startups
Scale-ups
Agencies
Featured
Instantly

Instantly

Cold Email Software

View

Pricing

Starting at $42.3

Key Features

Find warm leads with filters
Scale outreach with unlimited emails
Boost deliverability and sender reputation
Instantly

Instantly

View

Instantly.ai helps agencies, sellers, freelancers, and teams scale their email outreach and improve lead intelligence. It achieves this by providing unlimited email account connections, deliverability optimization, AI-powered personalization, lead enrichment, and campaign pipeline analytics.

Best For

Startups
Agencies
SMBs
Smartlead

Smartlead

Unlimited Cold Emails &AI warm-ups.

View

Pricing

Starting at $39

Key Features

Unlimited mailboxes for outreach
Automated email warmups with AI
Unified inbox for sales
Smartlead

Smartlead

View

Smartlead AI helps lead generation agencies, marketing agencies, sales leaders, and recruiters convert cold emails into revenue. It achieves this with unlimited mailboxes, automated warmups, multi-channel infrastructure, and a unified inbox to manage the entire outreach and deal flow process.

Best For

Startups
Agencies
SMBs
Saleshandy

Saleshandy

Cold Email Software

View

Pricing

Starting at $25

Key Features

Find verified B2B leads
Send cold emails
Automate personalized outreach
Saleshandy

Saleshandy

View

Saleshandy helps businesses generate leads and book meetings through automated cold outreach. It delivers this value by finding leads, automating personalized email campaigns, managing replies, and providing performance tracking, all while integrating with CRMs.

Best For

Startups
Agencies
SMBs
Mailreach

Mailreach

The Best Email Deliverability Tool

View

Pricing

Starting at $25

Key Features

Email warmup with high-reputation accounts
Continuous spam testing and monitoring
Automated reputation repair and maintenance
Mailreach

Mailreach

View

MailReach helps B2B CEOs, lead generation agencies, marketers, recruitment agencies, and salespersons improve email deliverability and ROI. It achieves this by repairing sender reputations with positive interactions through high-reputation accounts, offering spam checks, co-pilot insights, and email verification.

Best For

Startups
Agencies
SMBs
Warmupinbox

Warmupinbox

Stop sending cold emails to spam

View

Pricing

Starting at $15

Key Features

Improve email deliverability
Avoid spam folders and blacklists
Monitor and improve reputation
Warmupinbox

Warmupinbox

View

Warmup Inbox helps users manage their email accounts. It improves email deliverability, thereby ensuring messages reach intended recipients.

Best For

Startups
SMBs
Mid-market
Mailwarm

Mailwarm

The email warm-up tool

View

Pricing

Starting at $69

Key Features

Boost email deliverability effectively
Improve sender reputation globally
Automate daily email interactions
Mailwarm

Mailwarm

View

Mailwarm helps email senders improve their sender reputation and ensure emails reach the inbox, not spam. It achieves this by simulating positive engagement through automatically sending and receiving emails with replies across a network of accounts, creating favorable signals for email providers.

Best For

Startups
Scale-ups
SMBs
Quickmail

Quickmail

Send Emails. Get Replies

View

Pricing

Starting at $9

Key Features

Multi-channel outreach for growth
Unlimited email and LinkedIn senders
Manage all replies centrally
Quickmail

Quickmail

View

QuickMail helps agencies and demand generation teams create reliable growth channels through cold email and LinkedIn outreach campaigns. It enhances email deliverability, facilitates A/B testing, enables automation of manual tasks, and promotes team collaboration with integrations, ultimately allowing users to connect with their client base effectively and efficiently.

Best For

Agencies
SMBs
Scale-ups
TrulyInbox

TrulyInbox

Boost Your EmailDeliverability

View

Pricing

Starting at $22

Key Features

AI-powered email warm-up
Realistic human-like interactions
Monitor deliverability score
TrulyInbox

TrulyInbox

View

TrulyInbox improves sender reputation for marketers, outreach specialists, recruiters, and salespeople, helping them land emails in inboxes instead of spam folders. It sends emails in a human-like way, gradually increasing frequency and monitoring deliverability to establish a trustworthy sender reputation with email providers.

Best For

Startups
SMBs
Mid-market
Growbots

Growbots

Outbound Sales Automation Platform

View

Pricing

Starting at $29

Key Features

Find all potential customers
AI prospecting and filters
Build reliable lead engine
Growbots

Growbots

View

Growbots helps you log in to your account to find future clients. It uses your email and password to do this, working with Warmbots accounts too.

Best For

SMBs
SalesBlink

SalesBlink

Sales Outreach with ChatGPT Automation

View

Pricing

Starting at $25

Key Features

AI-powered cold emails
email deliverability improvement
automated follow-ups and tracking
SalesBlink

SalesBlink

View

SalesBlink helps businesses automate AI-powered cold email outreach with personalized follow-ups to consistently book meetings. It delivers this value by offering features like BlinkGPT Sales AI, email warm-up, meeting scheduler, unified inbox, and detailed reports and dashboards.

Best For

Startups
SMBs
Agencies
Rift

Rift

Close more deals without landing in spam

View

Pricing

Pricing not listed; talk to sales.

Key Features

Prioritizes high-quality leads
Follows up with no-shows
Optimizes sales calendar automatically
Rift

Rift

View

rift helps salespeople by providing a platform to manage and close deals. It facilitates increased sales and revenue through streamlined workflows.

Best For

Startups
SMBs
Scale-ups
Allegrow

Allegrow

Inbox Placement & Email Deliverability Tool

View

Pricing

Starting at $99

Key Features

Spam rate analysis
Safety Net™ threat detection
Unlimited email verifications
Allegrow

Allegrow

View

Allegrow helps sales teams and SDRs ensure their emails reach the primary inbox by monitoring and improving email deliverability. It achieves this by analyzing spam rates, automating positive mailbox interactions, testing email authentication, and providing content inbox placement insights, plus it offers a Safety NetTM to prevent harmful emails.

Best For

Scale-ups
SMBs
Mid-market
MailToaster

MailToaster

Email Warm-Up Service

View

Pricing

Starting at $26

Key Features

Automated email warm-up process
Peer-to-peer sending network
Positive engagement with emails
MailToaster

MailToaster

View

MailToaster helps cold emailers improve their sender reputation and email deliverability. It achieves this by automatically sending and receiving emails with a network of real accounts, mimicking positive engagement and proving trustworthiness to email service providers.

Best For

Startups
SMBs
Mid-market
Warm Up Your Email

Warm Up Your Email

Stay Out of Spam

View

Pricing

Starting at $29

Key Features

Positive email interactions to improve reputation
Spam pattern analytics for deliverability
Connect email for warming process
Warm Up Your Email

Warm Up Your Email

View

Warm Up Your Email helps email senders improve their sender reputation and avoid the spam folder. It achieves this by having a team interact positively with emails, opening them, replying, and removing them from spam, thus signaling to email clients that the sender is trustworthy.

Best For

Indie
Startups
Agencies
InboxAlly

InboxAlly

Empowering Your Emails to Reach The Inbox

View

Pricing

Starting at $149

Key Features

Real-time engagement tracking
Email warmup functionality
Spam testing tools
InboxAlly

InboxAlly

View

InboxAlly helps mailing list owners, deliverability experts, agencies, and email service providers improve email deliverability and increase open rates. It accomplishes this by using engagement techniques that train mail servers and providers to prioritize emails, along with tools for real-time tracking and comprehensive deliverability reports.

Best For

Startups
Agencies
SMBs
Boxward

Boxward

Email Warmup

View

Pricing

Starting at $9

Key Features

Deliver cold emails to inbox
No more spam/junk
Works with any email provider
Boxward

Boxward

View

Email Warmup by Boxward helps new, existing, and distressed email users improve and maintain their email deliverability, ensuring their messages reach the inbox. It achieves this by automating realistic email interactions, including sending, opening, replying, and moving emails from spam folders, enhancing sender reputation over time with any email provider.

Best For

Startups
SMBs
Agencies
WUME

WUME

Warm Up My Email

View

Pricing

Starting at $40

Key Features

Increase sender reputation daily
Manual positive email interactions
Track progress with dashboard
WUME

WUME

View

WUME helps people who send emails to improve their email deliverability and open rates. It delivers this value by automatically sending emails from your account to a network, then opens, marks, and replies to those emails, thereby increasing your sender reputation with email providers.

Best For

Startups
SMBs
Agencies
Mailook

Mailook

Check your email deliverability.For free.

View

Pricing

Pricing not listed; talk to sales.

Key Features

Check IP & domain blacklists
Inspect SPF
DKIM
Mailook

Mailook

View

Mailook helps you check your email deliverability, identifying and fixing issues that cause emails to land in spam folders. It audits email deliverability using over 120 checkpoints, verifies IP and domain blacklists, inspects SPF, DKIM, and DMARC records, and provides actionable tips, a deliverability score, and shareable reports.

Best For

Startups
SMBs
Agencies
Artisan

Artisan

We Create Advanced Digital Workers

View

Pricing

Pricing not listed; talk to sales

Key Features

B2B data access
AI-powered lead research
Multi-channel outreach automation
Artisan

Artisan

View

Artisan helps outbound sales teams automate manual tasks like prospecting with an AI BDR named Ava. It delivers value by providing access to a B2B database, identifying intent signals, and personalizing outreach through email and LinkedIn.

Best For

Startups
Mid-market
Enterprise
Folderly

Folderly

Email Deliverability Software to Supercharge  Outreach

View

Pricing

Starting at $96

Key Features

Analyze email placement and DNS
Boost sender reputation daily
Monitor mailbox health real-time
Folderly

Folderly

View

Folderly helps businesses and marketing professionals improve email deliverability and increase revenue. It achieves this by analyzing email infrastructure, monitoring spam placement, and providing actionable tips, while also offering tailored support and integrations with major email service providers.

Best For

SMBs
Mid-market
Enterprise
Mailivery

Mailivery

Reach the Inbox not the Spam Folder

View

Pricing

Starting at $29

Key Features

Email warm-up with real interactions
AI-powered sender reputation boost
Unlimited mailboxes support
Mailivery

Mailivery

View

Mailivery helps companies and individuals improve email deliverability, ensuring emails land in the primary inbox instead of spam. It achieves this by using AI to simulate real email interactions within a peer-to-peer network, thereby boosting sender reputation and improving deliverability rates.

Best For

Startups
Agencies
SMBs
Warmy

Warmy

Automatically warm up your email and domain.

View

Pricing

Pricing not listed; talk to sales.

Key Features

Email warm up
Deliverability insights
Google Postmaster integration
Warmy

Warmy

View

Warmy helps businesses, marketers, entrepreneurs, and affiliates make their email channels reliable by preparing domains and IPs for outreach. It achieves this by employing AI-driven automation to improve email deliverability and reputation, ensuring emails reach the primary inbox and increasing open and click rates.

Best For

Startups
Agencies
SMBs
lemwarm

lemwarm

Automated email warm-up and monitoring tool.

View

Pricing

Starting at $29.24

Key Features

Automatic email warm-up
Technical setup check
Deliverability reports
lemwarm

lemwarm

View

lemwarm boosts your email deliverability by warming up inboxes and monitoring performance. It ensures emails avoid spam and reach your audience for higher replies and revenue.

Best For

Startups
Scale-ups
SMBs
Warmforge

Warmforge

Email warm-up and deliverability command center

View

Pricing

Starting at $10

Key Features

Email warm up
Deliverability monitoring
Placement tests
Warmforge

Warmforge

View

Warmforge boosts email deliverability with AI-powered warm-up, placement tests, and monitoring. Ensure inbox placement and protect sender reputation effortlessly.

Best For

Startups
Scale-ups
SMBs

Frequently Asked Questions

What are enterprise AI agents?

Enterprise AI agents are software tools that automate tasks and improve decision-making using artificial intelligence.

What can enterprise AI agents do?

They can analyze data, automate workflows, and support customer interactions to boost business efficiency.

How do enterprise AI agents work?

They use AI models to process data and perform tasks based on defined business rules and user inputs.

Are enterprise AI agents easy to set up?

Most tools offer quick setup with guided steps, requiring minimal technical skills to get started.

Are enterprise AI agents free?

Some offer free trials or limited versions, but full features usually require paid plans.

What is the common enterprise AI agents pricing?

Pricing typically ranges from $30 to $300 per user monthly, depending on features and scale.

What are the types of enterprise AI agents?

Types include virtual assistants, data analysis bots, and workflow automation agents.

Do enterprise AI agents work with email?

Yes, many integrate with email to automate responses, organize messages, and send notifications.

What are the best enterprise AI agents tools?

Popular tools include Drift, Ada, IBM Watson Assistant, and UiPath AI Fabric.

What are common enterprise AI agents integrations?

They typically integrate with CRM systems, email platforms, cloud storage, and analytics tools.