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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.

About

SubsiMail is a self-hosted cold email sequencing platform. Prospect lists, templates, connected inboxes, and all campaign data live in your own database, not a third-party SaaS. It's built as a self-hosted alternative to Instantly, Smartlead, lemlist, and Apollo, with flat per-inbox pricing instead of per-seat fees, full data ownership and export, no content review, and no third-party access to your contacts or campaigns. Runs as a single Docker container on any $5 VPS. Connect Gmail, Outlook, or any SMTP/IMAP inbox; build multi-step sequences with merge fields and reply detection; manage per-user roles (admin/manager/view-only) with a full audit trail; and integrate via a REST API with personal API keys. The first connected mailbox is free forever.

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

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

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.

Audience

Sales teams, agencies, recruiters, and solo founders running cold email outreach who want to own their data instead of trusting a third-party SaaS with their prospect lists.

Support

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

Support

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

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

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

Pricing

Free (paid plans from $49/mo)
Free Version Supported
Free Trial Not Supported

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

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

Training

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

Training

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

Company Information

Ballast
Founded: 2026
Romania
ballast.to

Company Information

SubsiMail
Founded: 2026
India
subsimail.com

Alternatives

Alternatives

PureMail

PureMail

PureMail LLC

Categories

Cold Email Supported
Email Warmup Supported

Categories

Cold Email Supported
Email Marketing Supported

Integrations

Gmail Supported
Microsoft Outlook Supported
ChatGPT Supported
Claude Supported
Cursor Supported
Gemini Supported
Google Workspace Supported
Microsoft 365 Supported
MillionVerifier Supported
Model Context Protocol (MCP) Supported
NeverBounce Supported
NoParam Supported
OpenAI Supported
Slack Supported
ZeroBounce Supported
n8n Supported

Integrations

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