Related Products
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About
SMTPCart is a managed SMTP relay for transactional and business email sent by websites and SMTP-capable applications. Customers configure their apps with SMTPCart credentials; the service operates the outbound sending infrastructure. Use cases include order confirmations, invoices, password resets, booking notifications, and marketing email. Features include SPF, DKIM, and DMARC setup, TLS encryption, isolated sending reputation, bounce and complaint monitoring, and blocklist checks. Higher plans may add separate transactional and marketing streams, dedicated IPs, managed warm-up, domain reporting, sub-account isolation, routing, and capacity planning. SMTPCart also supports phased migrations from other email providers. Its intended users include developers and teams at online shops, SaaS businesses, agencies, resellers, and other service organizations that send email through SMTP-enabled software.
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About
Winnr is a cold email infrastructure platform that runs the full sending stack in one place. Teams register outreach domains inside the dashboard, generate SMTP mailboxes that come with DKIM, SPF, and DMARC records already published, and enroll them in automated warmup. A shared inbox aggregates replies across every mailbox, and credentials export in one click to sequencers such as Smartlead or Instantly. Agencies and resellers can provision infrastructure programmatically through the REST API and webhooks. Continuous deliverability monitoring surfaces DNS drift and blacklist issues before they affect campaigns. Compared with running dozens of Google Workspace inboxes, Winnr cuts cost dramatically and reduces setup from days to minutes.
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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
Online shops, clinics, salons and service businesses, accounting/legal/B2B firms, SaaS products, agencies, resellers and hosting providers that need reliable transactional and business email delivery
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Audience
Outbound sales teams, lead generation agencies, recruiters, and resellers running cold email at scale
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and VideosNo images available
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Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$69/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
Not Supported
Webinars
Not 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 InformationSMTPCart
United States
smtpcart.com
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Company InformationWinnr
Founded: 2024
United States
winnr.app
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AlternativesNo Alternatives
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Alternatives |
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Categories |
Categories |
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Integrations
WooCommerce
Not Supported
WordPress
Not Supported
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