Related Products
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About
Maildoso provides outbound mailboxes built for cold email, combining SMTP and Google Workspace infrastructure, fast setup, strong deliverability, and automated technical configuration. It helps teams diversify their sending strategy with reputable mailboxes built specifically for cold outreach, so campaigns are not dependent on one sender type, domain, or provider. Users can register domains directly in the dashboard or connect their own, enter mailbox names, and have SPF, DKIM, and DMARC auto-configured so mailboxes are ready to export and use with outreach platforms in minutes. Maildoso supports SMTP mailboxes, Google Workspace mailboxes, and combined setups, giving teams flexibility based on their sending strategy and target audience. It connects with popular sequencers and outreach tools such as Instantly, Smartlead, Saleshandy, and others, making it easier to move newly created mailboxes into active campaigns.
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About
Sellvance is a GTM experimentation platform for B2B SaaS teams still searching for product-market fit. Validate an ICP, test an offer, or check demand for a feature by talking to real prospects.
Most cold email tools are built for volume. But zero replies can mean nobody wants your product, or that your emails never reached the inbox. Sellvance tells them apart. Every experiment gets a Signal Check: a delivery verdict (did the emails arrive?), an interest verdict (is the positive reply rate above your threshold?) and a harm verdict (unsubscribes). Until delivery is confirmed, Sellvance won't let you judge the reply rate.
Includes a 9.5M+ company database, enrichment with AI agents, AI-written messages, in-app domains and mailboxes, deliverability monitoring, and an MCP server to run campaigns from Claude.
Free Experiment Plan, no domain or mailbox needed. Paid plans from $199/month.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
B2B sales teams and agencies that need to build, automate, and scale cold email infrastructure with deliverability-optimized domains and mailboxes
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Audience
B2B SaaS companies (1–50 employees), bootstrapped or seed/Series A, still validating their ICP and first acquisition channel. Typical users: founders and early growth leads.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
$90 per month
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$199/month
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationMaildoso
United States
maildoso.ai/
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Company InformationSellvance
Founded: 2024
Estonia
sellvance.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Apollo
Supported
Close
Supported
Front
Supported
Gmail
Supported
Google Workspace
Supported
Instantly
Supported
Microsoft Outlook
Supported
Nureply
Supported
Saleshandy
Supported
Smartlead.ai
Supported
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Integrations
Apollo
Not Supported
Close
Not Supported
Front
Not Supported
Gmail
Not Supported
Google Workspace
Not Supported
Instantly
Not Supported
Microsoft Outlook
Not Supported
Nureply
Not Supported
Saleshandy
Not Supported
Smartlead.ai
Not Supported
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