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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.

About

Zapmail is a cold email infrastructure tool that simplifies the setup and management of Google Workspace mailboxes for high-volume outreach. It automates domain and mailbox creation, manages SPF, DKIM, and DMARC configurations, and ensures high deliverability, making it an ideal solution for agencies and freelancers running cold email campaigns. Zapmail offers features such as automated mailbox and domain setup, Google Workspace integration at discounted rates, bulk exports to cold email tools like Instantly and ReachInbox, AI-powered deliverability optimization, and API access with DNS management. With Zapmail, users can easily purchase Google Workspace email accounts at reasonable prices, schedule and send campaigns from unlimited accounts while keeping their domain reputation safe, and manage everything in one place to boost outreach performance.

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

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.

Audience

Agencies and freelancers needing a solution for setting up and managing Google Workspace mailboxes with high deliverability

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

No images available

Screenshots and Videos

Pricing

Free (paid plans from $49/mo)
Free Version
Free Trial

Pricing

$2.50 per 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

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SubsiMail
Founded: 2026
India
subsimail.com

Company Information

Zapmail
Founded: 2024
United States
zapmail.ai/

Alternatives

Alternatives

Categories

Categories

Integrations

Gmail
Google Sheets
Google Workspace
Instantly
Microsoft 365
Microsoft Excel
Microsoft Outlook
SmartReach

Integrations

Gmail
Google Sheets
Google Workspace
Instantly
Microsoft 365
Microsoft Excel
Microsoft Outlook
SmartReach
Claim SubsiMail and update features and information
Claim SubsiMail and update features and information
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Claim Zapmail and update features and information