SmartBox, The Ultimate Email Account Management Tool
Manage dozens if not hundreds of email accounts all in one place. SendScale's SmartBox manages all replies in one unified inbox, including auto respondors, analytics, and much more.
Ashton McCain grew his startup from 0 to 100k users with Sendscale
Marcus Harper generated 762 warm insurance leads in 3 months
Sam Ruiz closed 17 software deals in his first month
William Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleAshton McCain grew his startup from 0 to 100k users with SendscaleMarcus Harper generated 762 warm insurance leads in 3 monthsSam Ruiz closed 17 software deals in his first monthWilliam Torres scaled his agency to $50k MRR using SendscaleHow Does SmartBox Work?
SmartBox is the secret weapon for keeping marketing efforts organized
With SmartBox from SendScale, you are able to have all of your lead gen email replies funneled into one customized inbox that makes it easier to find the real quality leads. SendScale users utilize SmartBox to facilitate their:
Customize Your SmartBox
SmartBox isn't just a one size fits all, but rather a tool that can be molded for your goals.
SmartBox is the key to "smart load balancing." You set the campaign target (e.g., "1,000 leads"), and handle the routing. SendScale automatically rotates through your connected accounts, ensuring no single inbox exceeds its daily safety limit (30-50 sends).
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.
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
Built for Generating Revenue
Unlock unstoppable growth by combining tools built to solve your biggest sales challenges.
Scale Outreach Easily
Send more and reach more with unlimited inboxes at your command.
Find High-Intent Leads
Spot quality leads quickly with filters & customer intent data.
AI Powered Optimization
Get more replies by sending at scale, without the spammy feel.
Simple Steps To Get Started
Whether you're a solopreneur or managing a team, our clean UI makes it easy to launch, manage, and optimize your sequences.
Get Email Account
Linked your email account or buy new domain from us
Warm Up
Automate email warm with our AI platform boost deliverability
Find Leads
Import your own leads or find with our 10M+ lead data base
Send Emails
Personalize your outreach and send emails at scale
See how Michael and 4,000+ others are scaling outbound with SendScale
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
Meet the Team
The people building the future of AI-powered outbound sales infrastructure.
Shawn Sheikh
Co-Founder & CEO
Fred Chiang
Co-Founder & CTO
Anthony Daniels
Head of Growth
Volodymyr Borodii
Head of SEO
Get in touch
What Our Customers Say
Hear from teams who manage every reply in one place with SmartBox.
We went from 15 meetings a month to over 60 in the first quarter. SendScale automated prospecting and follow-ups while our team focused on closing. Best ROI on any sales tool we've used.
Rachel Whitfield
VP of Sales, Meridian Solutions
Managing 200+ mailboxes used to be a full-time job. SendScale's warmup and inbox rotation run on autopilot; our deliverability went from 68% to 94% and stayed there.
Marcus Chen
Head of Outbound, GrowthLoop
We tested six outbound platforms before landing on SendScale. The lead data quality is unmatched at 92% email accuracy out of the box. Our SDRs actually trust the lists now.
Priya Nair
Revenue Operations Manager, Claritix
As a two-person sales team at a startup, we needed something that could scale without hiring. SendScale's automation replaced what would've been three SDR hires. We closed $340K in pipeline in 90 days.
Daniel Okafor
Co-Founder, Basecamp Ventures
The done-for-you infrastructure saved us months of setup. We launched with 50 pre-warmed accounts on day one and were sending targeted campaigns by day three. No other platform comes close.
Laura Bergström
Director of Demand Gen, NorthPeak Digital
Our agency manages outbound for 12 clients. Before SendScale, we cobbled together four different tools. Now warmup, prospecting, campaigns, and inbox all live on one platform. Our margins doubled.
James Thornton
Founder, Outbound Partners Agency
We went from 15 meetings a month to over 60 in the first quarter. SendScale automated prospecting and follow-ups while our team focused on closing. Best ROI on any sales tool we've used.
Rachel Whitfield
VP of Sales, Meridian Solutions
Frequently Asked Questions
SmartBox is SendScale's unified inbox that aggregates replies from all your connected email accounts into one dashboard. It auto-categorizes responses by intent so you can prioritize high-value leads.
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