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About

​ColdSire is a cold email infrastructure platform that simplifies the setup and management of domains and email accounts for outreach campaigns. It offers at-cost pricing for over 150 domain TLDs and email providers like Google Workspace and Microsoft 365. It automates the configuration of essential email authentication protocols, including DKIM, DMARC, and SPF, to enhance deliverability. ColdSire provides centralized inbox management and integrates seamlessly with tools like Instantly and SmartLead. Users can plan their infrastructure, costs, and ROI using the platform's cold email calculator, which factors in variables such as email list size, sequence length, campaign duration, and customer lifetime value. Advanced settings allow customization of parameters like the number of email accounts per domain, daily sending limits, and expected conversion rates.

About

Mailly is an AI-powered cold outreach platform focused on relevance, not volume. It performs deep contextual research on each company, evaluates ICP fit, and reframes your offer to match what prospects actually care about. Instead of shallow personalization, Mailly creates human-sounding messages grounded in real insights, helping teams send fewer emails that start more meaningful conversations.

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

Professionals searching for a tool to enhance their email outreach by automating personalized communications at scale

Audience

B2B SaaS 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

$6 per month
Free Version
Free Trial

Pricing

$199/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 4.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

ColdSire
Founded: 2024
United States
www.coldsire.com

Company Information

Mailly
Founded: 2025
United States
mailly.io

Alternatives

Alternatives

Categories

Categories

Integrations

Gmail
Google Workspace
Instantly
Microsoft 365
Smartlead.ai

Integrations

Gmail
Google Workspace
Instantly
Microsoft 365
Smartlead.ai
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