Ballast ColdSire

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Ballast:

About

Ballast is a cold email platform for teams running one-to-one outbound campaigns from their own mailboxes. Users can connect Google Workspace, Gmail, Microsoft 365, or other SMTP/IMAP accounts; import leads; build multistep sequences with personalization and variants; and manage replies in a shared inbox. The platform includes mailbox warmup, sending schedules, domain checks, inbox-placement tests, bounce thresholds that can pause sending, and campaign analytics. Plans are priced by monthly email volume and include unlimited mailboxes and seats, API access, webhooks, and MCP tools. Teams can connect AI models for reply classification and drafting, configure Slack reply alerts, or automate workflows through n8n. CSV presets support lead imports from Apollo, Clay, Instantly, Smartlead, and Lemlist.
ColdSire:

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.
Ballast:

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
ColdSire:

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
Ballast:

Audience

Ballast is built for agency owners, growth teams, and bootstrapped SaaS founders who need reliable cold email infrastructure. It is designed for those who have outgrown basic tools due to high contact-storage fees and need a more predictable, usage-based scaling model.
ColdSire:

Audience

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

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
ColdSire:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Ballast:

API

Offers API Supported
ColdSire:

API

Offers API Not Supported
Ballast:

Screenshots and Videos

ColdSire:

Screenshots and Videos

Ballast:

Pricing

$19/month
Starter is $19/month for 20,000 emails per month; Growth is $39/month for 50,000; Scale is $89/month for 150,000. Enterprise pricing is custom. Annual billing includes two months free. Plans advertise unlimited mailboxes and seats.
Free Version Not Supported
Free Trial Not Supported
ColdSire:

Pricing

$6 per month
Free Version Not Supported
Free Trial Not Supported
Ballast:

Reviews/Ratings

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

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
ColdSire:

Reviews/Ratings

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

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Ballast:

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported
ColdSire:

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported
Ballast:

Company Information

Ballast
Founded: 2026
Romania
ballast.to
ColdSire:

Company Information

ColdSire
Founded: 2024
United States
www.coldsire.com
Ballast:

Alternatives

Terlido

Terlido

Doteli
ColdSire:

Alternatives

Ballast:
ColdSire:
Ballast:
ColdSire:
Ballast:
ColdSire:
Ballast:
ColdSire:
Ballast:

Categories

Cold Email Supported
Email Warmup Supported
ColdSire:

Categories

Cold Email Supported
Ballast:

Integrations

Gmail Supported
Google Workspace Supported
Microsoft 365 Supported
ChatGPT Supported
Claude Supported
Cursor Supported
Gemini Supported
Instantly Not Supported
Microsoft Outlook Supported
MillionVerifier Supported
Model Context Protocol (MCP) Supported
NeverBounce Supported
NoParam Supported
OpenAI Supported
Slack Supported
Smartlead.ai Not Supported
ZeroBounce Supported
n8n Supported
ColdSire:

Integrations

Gmail Supported
Google Workspace Supported
Microsoft 365 Supported
ChatGPT Not Supported
Claude Not Supported
Cursor Not Supported
Gemini Not Supported
Instantly Supported
Microsoft Outlook Not Supported
MillionVerifier Not Supported
Model Context Protocol (MCP) Not Supported
NeverBounce Not Supported
NoParam Not Supported
OpenAI Not Supported
Slack Not Supported
Smartlead.ai Supported
ZeroBounce Not Supported
n8n Not Supported
Ballast:
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ColdSire:
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Claim ColdSire and update features and information