Self-hosted deployment
Runs from a self-hosted install so the sending stack lives on the buyer’s own server rather than a hosted SaaS account.
Cleanmails
Cleanmails is a self-hosted cold email platform for agencies and outreach teams. It combines sending, list validation, warmup, and AI-assisted reply handling in one VPS-based install.
Self-hosted cold email infrastructure for agencies
Cleanmails is a self-hosted cold email platform for agencies and other teams that want to run outreach, validation, warmup, and reply handling from their own server. The homepage positions it as an alternative to subscription-based cold email tools, with a one-time purchase model and an install flow aimed at getting a VPS ready for sending quickly.
The product combines an inbuilt mail server, sender rotation, list validation, multi-step sequences, and AI-assisted replies in one installation. The site also emphasizes setup support, documentation, and isolated client workspaces for teams that need to manage multiple accounts from a single dashboard.
Core features
Fast server setup
Installs SMTP, dashboard, SSL, and DNS-related configuration through a one-command VPS setup flow described on the homepage.
Email validation
Supports list cleaning with a hybrid validation engine and claims to handle SMTP plus API-based checks before outreach is sent.
Sending and deliverability tools
Includes warmup, sender rotation, sequence management, and A/B testing tools for running cold email campaigns.
AI auto-reply
Adds AI reply handling with multiple model providers and a knowledge-base-driven workflow for draft responses and inbox triage.
Stack integrations
Describes integrations for CRMs, webhooks, Slack, Stripe, Zapier, Make, and an MCP interface for AI tools such as Claude Desktop or Cursor.
Common use cases
Managing outreach for multiple clients
Agencies can run campaigns for multiple clients from one installation, using isolated workspaces and team roles to separate accounts and data.
Self-hosted cold email deployment
Teams that want to host their own sending stack can install Cleanmails on a VPS and manage SMTP, SSL, and DNS setup from the server.
List validation before outreach
Operators who clean large prospect lists can validate emails before sending and flag invalid, catch-all, or disposable addresses.
AI-assisted reply handling
Teams that receive many inbound replies can use the AI workflow to draft responses, classify intent, and manage follow-up handling with a knowledge base.
Sequenced outbound campaigns
Growth teams can build multi-step campaigns with sender rotation, warmup, and scheduling to manage deliverability during outbound sequences.
Pros and Cons
Pros
- Combines sending, validation, warmup, and AI reply handling in one self-hosted install.
- Uses a one-time payment model according to the homepage, which may suit teams avoiding recurring tool fees.
- Provides deployment guidance and support resources, including email support and a Notion setup guide.
- Supports multi-client workflows with isolated workspaces and team roles, according to the homepage.
Cons
- The pricing page is unavailable, so current plan details and purchase terms cannot be verified from that page.
- Much of the feature set is described on the homepage, with limited separate documentation available in the provided sources.
FAQ
What is Cleanmails used for?
Cleanmails is designed for self-hosted cold email sending, list validation, warmup, and AI-assisted reply handling. The homepage frames it as a single install for agencies that want to run outreach from their own server.
How is Cleanmails set up?
The support page says buyers get access to a private GitHub repository and a VPS deployment guide on Notion. The homepage also describes a one-command install flow on a VPS with SMTP, dashboard, SSL, and DNS-related setup.
What systems does Cleanmails connect to?
The site says the install includes SMTP, DKIM/SPF/DMARC setup, SSL, and a dashboard, with senders that can be created on your own domains or connected through external SMTP. It also mentions integrations with CRMs, AI models, webhooks, Slack, Stripe, Zapier, and Make.
How do customers get support?
The support page says technical support is available by email at [email protected], with typical responses within 24 hours. It also notes that verified buyers get access to the private GitHub repository for bug reports and feature requests.
Is there a recurring subscription?
The homepage promotes a one-time purchase model and a 30-day money-back guarantee, but the pricing page itself is not available and does not confirm plan details.
Quick Facts
- Category
- Cold Email / Sales Outreach
- Deployment
- Self-hosted on a VPS
- Primary users
- Agencies and outreach teams
- Source domain
- cleanmails.online
- Support
- Email support plus documentation
- Pricing signal
- Homepage describes a one-time purchase model; pricing page is unavailable
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