Agentic Outreach That Optimizes Itself To Success
Launch cold email campaigns in less than 60 seconds and fill your sales pipeline on autopilot.
For B2B teams that can close.
But don't have time to prospect.
It used to take seven tools and a full-time operator to run cold email. But it's 2026 and AI can do it all now.
Before Mailscale
Buying domains. Warming mailboxes for two weeks. Scraping lists. Writing copy on a Sunday night. Then watching most of it die in spam, with no clue why.
After Mailscale
AI generates 125 unique email variants for your offer and auto-optimises itself. Pre-warmed outreach domains, 400M contacts. Fully agentic, so you can focus on closing.
400+ Million B2B Contacts
Use natural language to build a list of ideal prospects in seconds.
AI Copywriter Trained On 200 Million Sends
AI generates 125 unique email variants and gets smarter each week
Everything you need to get results with outbound marketing
Pre-warmed mailboxes
Launch on outreach domains that are already warmed, so you skip the two-week ramp and start sending on day one.
Self-healing deliverability
Mailscale monitors placement and reroutes sends automatically when an inbox starts to degrade, keeping you out of spam.
Phone enrichment
Append verified direct-dial and mobile numbers to every contact, so your team can follow up on more channels.
Reply agent
An AI agent reads incoming replies, classifies intent, and drafts responses so positive replies never sit idle.
Case studies from 3,000+ Mailscale customers
Real inboxes from agencies and B2B teams running agentic outreach on Mailscale.
Sama Labs
E-Com Agency852 positive replies in 4 months
LiveBuzz
TikTok Agency4,800 positive replies in 40 days
AutomationX
Lead Gen828 positive replies from 1.5M emails in 6 months
GetHalfBaked
Startup Advisors477 positive replies in 28 days
Nerdy Joe
Marketing Agency94 positive replies in 90 days
SixMinutesLate
Lead Generation171 positive replies in 180 days
What they say
Before You Start
Basics
How it works
ROI
Integrations
Still have questions?
The fastest way to get answers tailored to your business is a quick, no-pressure call with one of our outbound experts. We'll look at your goals, show you exactly how Mailscale would work for you, and build your plan and pricing on the spot.