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What is Winnr?

Winnr is an all-in-one platform designed for the cold email infrastructure, efficiently managing the complete sending process. Users can effortlessly register outreach domains through the user-friendly dashboard and establish SMTP mailboxes that include pre-set DKIM, SPF, and DMARC records, while also engaging in an automated warmup procedure. A unified inbox gathers responses from every mailbox, allowing users to export credentials to various tools like Smartlead or Instantly with just one click. Furthermore, agencies and resellers can programmatically oversee their infrastructure using REST API and webhooks, enhancing their operational efficiency. The platform’s continuous deliverability monitoring identifies potential DNS drift and blacklist issues before they can impact email campaigns. Compared to juggling multiple Google Workspace inboxes, Winnr not only cuts down costs but also shortens the setup time from several days to just a few minutes, proving to be an essential asset for effective outreach. This groundbreaking solution not only simplifies email management but also empowers teams to refine their email outreach strategies without the complexities of conventional setups. By leveraging Winnr, organizations can focus their efforts on crafting compelling messages rather than worrying about technical complications.

What is ColdStack?

Don’t let valuable opportunities pass you by during the critical two-hour window between a lead's reply and your response. ColdStack aggregates all cold email replies from services such as Instantly, Smartlead, and EmailBison into a singular, dedicated Slack channel, enabling your team to respond swiftly and efficiently. With each reply, you'll receive immediate notifications that include detailed engagement metrics, such as who opened the email, when it was viewed, and how often it was accessed. This allows your team to seamlessly reply directly within Slack, while ColdStack guarantees that all conversations are synchronized with your original platforms, removing the need to toggle between multiple dashboards and email clients. Tailored for cold email agencies and sales teams using Slack, ColdStack also provides mobile access through Slack's app, ensuring that your team can maintain communication effortlessly while on the move. By streamlining your workflow and boosting your response rates, ColdStack helps you capture every potential lead, making it an essential tool for enhancing productivity in your sales process. Ultimately, this integration helps to create a more cohesive and effective team dynamic.

Media

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Media

No images available

Integrations Supported

Integrations Supported

Gmail
Slack

API Availability

API Availability

Pricing Information

$69/month

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Not specified

Company Facts

Organization Name

Winnr

Date Founded

2024

Company Location

United States

Company Website

winnr.app

Company Facts

Organization Name

ColdStack.co

Date Founded

2025

Company Location

United States

Company Website

www.coldstack.so/

Categories and Features

Cold Email

Not specified

Categories and Features

Cold Email

Not specified

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