Documentation
This guide walks you from download to first validated send: install MailFleet, connect a provider, validate DNS and content, run a pilot campaign, and read your logs. Built for teams who want desktop control without guessing.
Problem → solution
Capabilities
Windows EXE, macOS DMG/PKG, or Linux DEB/RPM — same features on every platform.
Add SMTP or API credentials, test the connection, and label profiles by brand or environment.
Build reusable templates with variables; import permission-based contact lists.
Run SpamAssassin and DNS authentication checks before any production batch.
Use capacity scoring, send a small test, read logs, then increase volume.
Optional webhooks forward delivery events to monitoring or analytics from day one.
Feature matrix
| Capability | MailFleet | Ad-hoc / skip checks | Notes |
|---|---|---|---|
| OS install guide | Yes | Partial | — |
| Provider connection test | Yes | No | — |
| Integrated SpamAssassin | Yes | No | — |
| Free DNS checkers on site | Yes | Partial | — |
| Local campaign logs | Yes | No | — |
| Skip straight to bulk send | No | Yes | — |
| Webhook setup | Yes | No | — |
| Documented responsible sending | Yes | Partial | — |
Detailed comparison
| Onboarding step | MailFleet guided path | Ad-hoc approach |
|---|---|---|
| Install | Platform-specific docs + Download page | Unclear installer source |
| Provider | Profile + test in app | Paste creds into campaign once |
| Authentication | SPF/DKIM/DMARC tools linked | Discover failures via bounces |
| Content | SpamAssassin before send | Learn from spam folder |
| First send | Paced pilot + logs | Full list blast |
Workflow
Get MailFleet for your OS from the Download page. Follow install-windows, install-macos, or install-linux docs.
Buy a 1 Year ($49/year) or Lifetime ($79) license at pay.mailfleet.app, then enter your key in MailFleet on first launch.
Settings → Providers → Add SMTP or API. Run connection test before saving.
Use mailfleet.app tools for SPF/DKIM/DMARC; run SpamAssassin on your template in the app.
Send to a small test segment, review logs and webhooks, then scale with capacity scoring.
Scenarios
You have SendGrid credentials and a opted-in list. Install MailFleet, add API profile, SpamAssassin your welcome template, send to 50 test contacts, then expand.
Export lists, rebuild templates in MailFleet, re-validate DNS (often unchanged), pilot send, compare logs to old platform metrics.
Create a labeled provider profile per client, document authentication in your runbook, pilot before the first client-facing launch.
Decision framework
MailFleet → Yes → proceed to provider setup.
Alternative → No → sign up with SES, SendGrid, Postmark, or similar first.
MailFleet → Run free checkers before first send.
Alternative → Skipping DNS → expect deferrals and spam placement.
MailFleet → Required per Anti-Spam Policy.
Alternative → Purchased or scraped lists → do not use MailFleet.
Pricing
Flat software pricing — scale your use case without per-seat campaign tax.
$49 per year
Best for users who want to test MailFleet in real campaign workflows before committing long term.
Get 1 Year License$79 one-time
Best for serious campaign operators who want one payment, long-term access, and no recurring software subscription.
Get Lifetime LicenseMailFleet is desktop campaign control — not a list vendor or ESP. Before installing, gather a supported operating system, valid MailFleet license, SMTP or API provider account, and a permission-based contact list with consent records.
You should also have access to your domain DNS if you manage authentication, or a contact who can publish SPF, DKIM, and DMARC records.
MailFleet ships native installers for all major desktop platforms. Choose the guide that matches your OS — installation typically takes under ten minutes.
After provider setup, create a template, attach your test list, and run SpamAssassin. Review the capacity score, schedule a small batch, and watch campaign logs for bounces and errors. Only increase volume when authentication, content, and pilot results look healthy.
See /docs/create-campaign and /docs/responsible-sending for detailed workflow and compliance guidance.
To get started with MailFleet: download the desktop app for Windows, macOS, or Linux, install, add an SMTP or API provider, validate SPF/DKIM/DMARC with free tools, run SpamAssassin on templates, send a pilot campaign, and review local logs before scaling permission-based email.
MailFleet Getting Started: install, provider setup, pre-send validation, and first campaign workflow for desktop email operations.
Getting started with MailFleet means installing on your desktop, connecting your SMTP or API provider, validating authentication and content, and running a small pilot campaign before scaling. Download now and follow the five-step workflow above.
For regulatory context on commercial email in the United States, see the FTC CAN-SPAM compliance guide.
Delivery note: MailFleet helps users manage campaigns through their own sending providers. Delivery outcomes depend on sender reputation, DNS authentication, content quality, recipient engagement, list quality, provider rules, and mailbox filtering systems.
Install guides
Windows 10+, macOS 12+ (Apple Silicon and Intel via universal DMG/PKG), and 64-bit Linux via DEB or RPM (x86_64 and ARM64).
Get started
Download for Windows, macOS, or Linux. Connect your provider and validate before you scale — from $49/year.
Available on
Same desktop experience across every platform — one workflow for your entire team.
