#1 New
Leading Email Infrastructure Platform

The End of Email Sending Limits: Deploy Unlimited Inboxes and Pre-Warmed Accounts

We don't just give you tools, we give you sending power. Own the infrastructure that lets you send and deliver to inboxes at scale.

Unlimited Inboxes
Pre-Warmed & Ready to Send
Cold Email That Hits Inboxes
Get Started
SendScale Platform - Unlimited Email Inboxes
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
Ashton McCainAshton McCain grew his startup from 0 to 100k users with Sendscale
Marcus HarperMarcus Harper generated 762 warm insurance leads in 3 months
Sam RuizSam Ruiz closed 17 software deals in his first month
William TorresWilliam Torres scaled his agency to $50k MRR using Sendscale
How It Works

Seamless Automated Infrastructure forMaximum Outreach Potential

Cold email works, but teams don't have the infrastructure to scale it.SendScale gives you pre-warmed inboxes and the sending power to reach hundreds of thousands safely.SendScale is built to handle millions of emails per day at a price cheaper than 90% of the industry

1

Buy and deploy an unlimited number of verified Gmail and / or Microsoft inboxes

2

Warm up your inboxes for higher inbox rates

3

Manage everything from one SmartBox within your personal dashboard

SendScale - Seamless Automated Infrastructure
Easy, Quick, Inexpensive

Build Tens Of Thousands of Inboxes, Send 100,000+Outreach Emails That Convert

Cold email isn't broken. Sending it the wrong way is. SendScale lets you scale cold outreach whileprotecting your inbox, domains, and deliverability.

FeaturesFeatures
SendScaleSendScale
OtherThe "Other" Guys
Unlimited Inbox Creation (Gmail)
Yes
No
Pre-Warmed Accounts Ready to Send Day 1
Yes
No
Done-For-You Domain Procurement & Setup
Yes
No
Free Email Warmup on All Accounts
Yes
No
SPF, DKIM & DMARC Auto-Configured
Yes
No
10,000+ Inboxes Available on Demand
Yes
No
High-Quality US IP Accounts
Yes
No
Automated Reputation Defender
Yes
No
Scale to 100K+ Emails/Day
Yes
No
No Per-Seat or Per-Inbox Pricing
Yes
No
Technical Compliance

All Accounts and Inboxes Come Fully Compliant and Protected

Setting up cold email domains incorrectly guarantees the spam folder. Our engineers configure every record perfectly to ensure maximum deliverability.

DNS Configuration

DNS Configuration

We handle all SPF, DKIM, and DMARC records to ensure you are authenticated and trusted by Google and Outlook.

DNS Configuration
Domain Procurement

Domain Procurement

We select and purchase neutral, high-reputation domains that protect your main brand. You own the assets, we do the work.

Domain Procurement
Gmail Account Set Up

Gmail Account Set Up

We'll set up Gmail/Microsoft certified accounts for you at scale whether you need 1 or 5,000.

Gmail Account Set Up
Verified Customer Reviews

Trusted Email Infrastructure for High-Volume Outbound

Seamlessly integrated tools for prospecting, outreach, and pipeline management. Get everything you need to close more deals in one powerful platform.

SDRsAgenciesFoundersMarketersMarketing agenciesStaffing agenciesGrowth teamsFreelancersRecruitersStartup founders
Lincoln Choi

Lincoln Choi

Founder

onlinkedin

SendScale's pre-warmed inboxes let us send at volume without worrying about deliverability, saving us weeks of setup time and costs.

Valerie Stowers

Valerie Stowers

Marketing Manager

ontwitter

SendScale made it easy to deploy multiple inboxes for our campaigns. Our emails now land in the inbox over 50% of the time, tracking our results easily in the SmartBox.

Georgia Raber

Georgia Raber

SDR Representative

onlinkedin

I can finally reach the volume needed to hit our targets without burning inboxes, all while keeping campaigns running smoothly.

Andrew Mokotov

Andrew Mokotov

Founder

onlinkedin

We went from 5 inboxes to over 100 in just a month, giving our startup the infrastructure to grow our pipeline aggressively without adding headcount.

Willow Blankenship

Willow Blankenship

Recruiter

ontwitter

SendScale allows me to safely reach hundreds of candidates daily while keeping our sending domains healthy. It's a game-changer for outreach, and it's only continuing to grow.

Jane Gavic

Jane Gavic

Head of Accounts

onlinkedin

Now my agency can finally run high-volume outbound campaigns that deliver results. Pre-warmed inboxes and unified management are life savers for our lean team.

1M+

Emails Delivered

78k+

Marketers & SDRs Trust Us

99.5%

Inbox Rate

10M+

Inboxes Generated

Growthcurve
tability
near
Designjoy
SurfOffice
DK
100% Trusted Domains

Proprietary Warm Up That Lands Emails in Inboxes

90%+ Inbox Hit Rate


Our trusted AI warms up your accounts on autopilot, and utilizes its automated reputation defender to turn cold domains into trusted senders while you sleep.

Access over one million pooled accounts for warm up, with free email warm up and SmartBox features available for all users.

Proprietary Warm Up
Proprietary SmartBox Technology

The Ultimate Email Account Management Tool

Keep Your Marketing Efforts Organized


Manage dozens, hundreds, or thousands of email accounts all in one place. SendScale's SmartBox manages all replies in one unified inbox, including:

Analytics
Auto Categorization
Auto Responders
Centralized Messaging
Reply Detection
Team Collaboration Access
SmartBox Management
Case Study

See How Michael and 4,000+ Others Are Scaling Outbound With SendScale

Get everything you need to deploy, warm, and manage outbound email

Michael Lawson
SendScale

28,000+ NEW EMAIL ACCOUNTS, 3,000+ NEW LEADS

"Scaling outbound was a constant struggle before SendScale. Managing inboxes, warming accounts, and protecting deliverability took more time than actually running campaigns. With SendScale's pre-warmed inbox infrastructure and done for us accounts ready to go, we were able to scale our sending safely and generate a far more consistent pipeline without adding operational overhead."

Michael Lawson

Digital Marketing Director

Original

Rated
10/10

Ease of Use

Industry Average: 8.7

Rated
9.8/10

Support Quality

Industry Average: 8.5

Rated
9.7/10

Setup Process

Industry Average: 8.4

Growthcurve
tability
near
Designjoy
SurfOffice
DK

NEVER WASTE TIME ON MANUAL EMAIL OUTREACH AGAIN.

SendScale Is The All-In-One Platform To Send Personalized, High-Converting Email Campaigns

Start for Free
99% inbox rate
70% open rate
50% conversion rate
Auto-personalize emails at scale
Find & verify high-quality leads
Automate inbox warm-up & boost deliverability
CRM & team management in one place

Frequently Asked Questions

SendScale is a comprehensive cold email outreach platform that helps you automate email warm-up, manage campaigns, and track results. It's built to help businesses scale their outreach without compromising deliverability.

Sign Up And Start Instantly Sending Email At Scale

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