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.
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
Buy and deploy an unlimited number of verified Gmail and / or Microsoft inboxes
Warm up your inboxes for higher inbox rates
Manage everything from one SmartBox within your personal dashboard
Cold email isn't broken. Sending it the wrong way is. SendScale lets you scale cold outreach while
protecting your inbox, domains, and deliverability.
| Unlimited Inbox Creation (Gmail) | ||
| Pre-Warmed Accounts Ready to Send Day 1 | ||
| Done-For-You Domain Procurement & Setup | ||
| Free Email Warmup on All Accounts | ||
| SPF, DKIM & DMARC Auto-Configured | ||
| 10,000+ Inboxes Available on Demand | ||
| High-Quality US IP Accounts | ||
| Automated Reputation Defender | ||
| Scale to 100K+ Emails/Day | ||
| No Per-Seat or Per-Inbox Pricing |
Setting up cold email domains incorrectly guarantees the spam folder. Our engineers configure every record perfectly to ensure maximum deliverability.
We handle all SPF, DKIM, and DMARC records to ensure you are authenticated and trusted by Google and Outlook.
We select and purchase neutral, high-reputation domains that protect your main brand. You own the assets, we do the work.
We'll set up Gmail/Microsoft certified accounts for you at scale whether you need 1 or 5,000.
Seamlessly integrated tools for prospecting, outreach, and pipeline management. Get everything you need to close more deals in one powerful platform.
Lincoln Choi
Founder
SendScale's pre-warmed inboxes let us send at volume without worrying about deliverability, saving us weeks of setup time and costs.
Valerie Stowers
Marketing Manager
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
SDR Representative
I can finally reach the volume needed to hit our targets without burning inboxes, all while keeping campaigns running smoothly.
Andrew Mokotov
Founder
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
Recruiter
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
Head of Accounts
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
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.
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:
Get everything you need to deploy, warm, and manage outbound email

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
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
NEVER WASTE TIME ON MANUAL EMAIL OUTREACH AGAIN.
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.