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About

InboxFlow simplifies your cold email infrastructure from the get-go. When you buy your burner domains, we automate SPF, DKIM, and DMARC setup. Plus, they're automatically redirected to your landing page, ensuring your prospects never encounter an invalid page. With your domains and email authentication sorted, it's time to supercharge your cold email campaigns. InboxFlow's user-friendly interface empowers you to configure dozens of inboxes across different domains with unprecedented ease. Spend less time on setup and more time connecting with your prospects. InboxFlow's bulk-account upload feature takes your cold email game to the next level. We provide you with a CSV file that allows you to effortlessly import and manage multiple inboxes in your favorite sending tool. Say goodbye to tedious, manual processes, and hello to streamlined efficiency. Simplify cold email infrastructure for unbeatable deliverability.

About

MailDeck is the market-leading enterprise cold email infrastructure platform, engineered from the ground up for high-volume senders who demand uncompromising deliverability at scale. Trusted by sales teams, growth agencies, and revenue organizations sending millions of emails per month, MailDeck provides the most reliable inbox architecture available for cold outreach. The platform seamlessly integrates Google Workspace, Microsoft 365, and a wide range of SMTP providers into a unified, enterprise-grade sending infrastructure.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Companies and anyone requiring a solution to manage and send cold emails

Audience

B2B outreach teams, SDRs, lead generation agencies, recruitment firms, fintech companies, SaaS startups, real estate agents, marketing and growth agencies, PR agencies, sales consultants, founder-led sales teams

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$45 per month
Free Version
Free Trial

Pricing

$99 for 30k emails/month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 5.0 / 5
ease 4.5 / 5
features 4.5 / 5
design 4.5 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Correct inbox configuration, proper warmup setup, right workspace delivery, campaign limits handled properly, and genuinely technical support that solves real problems fast.
  • Very simple setup process. Prices are way lower than competitors', which matters a lot when you're buying domains in bulk. Support is responsive and always willing to help with any inquiries. Had a question about tenant configuration and got a clear answer in under 10 minutes.

Cons

  • Onboarding could use more self-serve docs, but support covers the gap well.
  • Would be great to see a built in warmup tool or deliverability dashboard added over time.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

InboxFlow
United Kingdom
inboxflow.net

Company Information

MailDeck
Founded: 2025
United States
maildeck.co

Alternatives

Alternatives

Categories

Categories

Integrations

Gmail
Google Sheets
Google Workspace
Instantly
Microsoft 365
Microsoft Excel
Smartlead.ai

Integrations

Gmail
Google Sheets
Google Workspace
Instantly
Microsoft 365
Microsoft Excel
Smartlead.ai
Claim InboxFlow and update features and information
Claim InboxFlow and update features and information
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