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Customer stories
Real outcomes from teams using Mailscale
Explore how customers use Mailscale to build dependable outbound channels and create qualified conversations.


Financial Services
Hummingbird generated roughly 3X ROI from Mailscale-powered cold email
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Business Data Platform
$500K in pipeline generated
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Event Sponsorship
2% reply rate across 15,000 sends
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Gen Cap
Equipment Financing
$90K in pipeline value
18 interested responses at a stated $5K average earning per completed deal
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Intentify
Website visitor identification software
$300K-$450K in estimated pipeline for a high-ticket B2B offer
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Maximum Media
Times Square advertising sales
$175K in pipeline
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Amadea Ventures
AI and SEO agency outreach
Amadea Ventures reached 5 sales appointments per week with Mailscale
Plus an earlier campaign win of 4 booked calls within 36 hours
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Virtual assistant staffing outreach
Breakline Talent generates 5 booked meetings per week
Interested replies were converted into calls through direct follow-up
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Staffing and business brokerage
How SI Staffing generated 50 qualified, interested leads
50 positive replies from 23,000 cold-email sends
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