Campaign dashboard
Manage all email campaigns from one desktop dashboard.
Features
MailFleet brings campaigns, templates, SMTP/API providers, SpamAssassin checks, proxy profiles, sending capacity scoring, webhooks, logs, and reports into one desktop app for Windows, macOS, and Linux.
The capabilities teams evaluate first when choosing desktop email campaign control software.
Manage all email campaigns from one desktop dashboard.
Explore →Create and manage reusable email templates with variables and previews.
Explore →Add, test, and organize multiple SMTP provider profiles.
Explore →Manage API credentials and provider-specific sending workflows.
Explore →Check campaign content with SpamAssassin before sending.
Explore →Estimate campaign sending capacity before launch.
Explore →Master, campaign-wise, and managed profile modes for approved network routing.
Explore →View detailed logs for campaign activity and provider responses.
Explore →Review campaign performance and export reports for clients.
Explore →Send campaign events to external systems and automation tools.
Explore →Cross-platform desktop email campaign control.
Explore →Built for permission-based, compliance-first campaign operations.
Explore →Campaign Management
Create, organize, and control permission-based email campaigns from one desktop dashboard.
Manage all email campaigns from one desktop dashboard.
Create and configure email campaigns with clear sending settings.
Track draft, active, paused, completed, and failed campaigns.
Pause and resume campaigns when needed.
Prepare campaigns and schedule sending workflows.
Duplicate previous campaigns for faster setup.
Organize campaigns by project, client, brand, or purpose.
Quickly find campaigns by name, status, provider, or date.
Add internal notes for campaign context.
Manage multiple campaigns from one desktop application.
Template Management
Build professional templates with HTML, plain text, variables, and pre-send review.
Create and manage reusable email templates.
Work with HTML email content for professional campaigns.
Add plain text versions for better compatibility.
Use personalization variables inside templates.
Preview campaign content before sending.
Save frequently used templates for future campaigns.
Manage subject lines and preview how they appear.
Review links before sending campaigns.
Check content structure before campaign launch.
Build consistent campaign layouts across projects.
SMTP Provider Management
Configure, test, and organize SMTP providers for reliable campaign sending.
Add and manage multiple SMTP provider profiles.
Configure SMTP host, port, username, and encryption.
Manage secure SMTP connections with TLS/SSL.
Test SMTP connectivity before using a provider.
View SMTP connection and sending errors clearly.
Track provider sending limits and usage planning.
Organize providers by brand, client, or campaign type.
Use different SMTP providers across different campaigns.
Check whether a provider is ready before sending.
Identify authentication or connection problems faster.
Email API Provider Management
Manage API-based sending alongside SMTP with local credential control.
Manage email API provider credentials and settings.
Store and organize API provider keys.
Configure API-based sending workflows.
Test API provider readiness before campaign use.
View provider API errors inside campaign logs.
Use SMTP and API providers from one desktop app.
Assign selected providers to specific campaigns.
Compare provider behavior and errors across campaigns.
Track API sending activity in campaign reports.
Keep campaign operations flexible and provider-independent.
SpamAssassin Checks
Pre-send content and header analysis to improve campaign readiness.
Check campaign content with SpamAssassin before sending.
Identify potential content, header, or formatting issues before launch.
View a clear SpamAssassin score for campaign preparation.
Detect risky formatting or content patterns.
Review technical email headers where available.
Check subject and body content for possible issues.
Get practical suggestions to improve campaign readiness.
Use SpamAssassin checks as part of the pre-send workflow.
Sending Capacity Scoring
Plan campaign volume with provider-aware capacity estimates before launch.
Estimate campaign sending capacity before launch.
Understand provider limits before sending.
Plan campaigns according to available sending capacity.
See whether a campaign is ready to send.
Identify sending setup issues before campaign execution.
Plan campaign volume based on provider and configuration limits.
Understand how providers are used across campaigns.
Review capacity before starting a campaign.
Proxy Management
Create labeled proxy profiles, assign master or campaign-wise routes, test connectivity, and organize approved network separation for multi-client and multi-environment sending.
Create profiles with host, port, authentication, labels, and notes.
Set a workspace default route applied until overridden.
Bind a specific proxy profile to an individual campaign.
Assign approved network profiles for legitimate operational separation and testing.
Test routes from MailFleet before assigning to providers or campaigns.
Attach proxies per SMTP or API provider profile.
See whether a profile passes connectivity checks.
Surface routing timeouts and auth errors alongside send events.
Operational separation and testing — not filter evasion or abuse.
Campaign Logs
Granular, timestamped event history for troubleshooting and audit-friendly visibility.
View detailed logs for campaign activity.
See provider responses and errors.
Track SMTP response codes for troubleshooting.
View API provider errors clearly.
Track queued, sent, failed, bounced, and completed events.
Review when important campaign events happened.
Filter logs by error type, provider, or campaign.
Export logs for analysis or client reporting.
Keep campaign activity easier to review and troubleshoot.
Campaign Reports
Dashboards, charts, and exportable summaries for internal teams and agency clients.
Review campaign performance from one dashboard.
Compare provider activity and errors.
Track sending outcomes clearly.
View high-level campaign progress.
Understand what failed and why.
Visualize campaign activity over time.
Export campaign reports for internal use or clients.
Useful for agencies managing multiple campaigns.
Review previous campaign activity.
Webhooks & Automation
Connect campaign events to CRMs, dashboards, and internal automation with structured payloads.
Send campaign events to external systems.
Trigger events for campaign and email activity.
View webhook delivery status and errors.
Track webhook delivery attempts.
Connect campaign events to CRMs, dashboards, or automation tools.
Use structured event payloads for integrations.
Support secure webhook workflows where configured.
Track campaign events outside MailFleet.
Contact and List Management
Import, organize, and maintain permission-based lists for responsible campaign operations.
Import contacts for campaign use.
Organize contacts by list, tag, project, or campaign.
Maintain suppression lists for responsible sending.
Track bounced addresses where provider data is available.
Support unsubscribe handling in responsible campaign workflows.
Keep campaign lists cleaner and easier to manage.
Organize contacts into campaign-ready groups.
Find contacts quickly inside campaign workflows.
Responsible Sending Controls
Compliance-first workflows for legitimate business communication — not abuse.
Built around responsible, permission-based campaign operations.
Keep sender profiles organized and transparent.
Check unsubscribe link presence where applicable.
Support suppression workflows for responsible sending.
Monitor bounces and failed sending events.
Respect sending provider rules and limits.
Keep logs for accountability and troubleshooting.
Designed for legitimate business communication, not abuse.
Desktop Application
Native apps for Windows, macOS, and Linux with a focused campaign control dashboard.
Use MailFleet on Windows.
Use MailFleet on macOS.
Use MailFleet on Linux.
Keep a consistent workflow across major desktop operating systems.
Manage campaigns from your computer instead of browser-only tools.
Use a desktop application for campaign operations.
Access campaign tools directly from your desktop.
Work from a focused email campaign control dashboard.
Free Email Diagnostic Tools
Browser-based DNS, SMTP, content, and deliverability checks that complement the desktop app.
Check whether a domain or IP appears on email blacklists.
Test SMTP host, port, encryption, and connectivity.
Review email content with SpamAssassin-style checks.
Check SPF records for a domain.
Check DKIM records by domain and selector.
Check DMARC policy and reporting configuration.
Look up mail exchange records for a domain.
Analyze raw email headers for authentication and routing details.
Check PTR / reverse DNS configuration.
Test SMTP port availability and response behavior.
Review MX, SPF, DKIM, DMARC, reverse DNS, and blacklist status.
Review subject line length and possible issues.
Preview HTML email content before use.
Check whether email content includes an unsubscribe link.
Understand SMTP bounce codes and common delivery errors.
Security and Trust
Transparent policies, secure downloads, and honest positioning about deliverability.
Provide safe installer downloads for supported platforms.
Show app version and release information.
Show SHA256 checksum where available.
Publish terms, privacy, anti-spam, and acceptable use policies.
Provide a way to report abuse or misuse.
Explain how MailFleet approaches software trust and safe downloads.
Clearly explain that no software can guarantee inbox placement.
Explain that users connect their own SMTP/API providers.
What each capability provides and why it matters for teams managing their own providers.
| Feature Area | What MailFleet Provides | Why It Matters |
|---|---|---|
| Campaign Management | Dashboard, scheduling, pause/resume, organization, and multi-campaign workflow | Run permission-based campaigns with operational control from your desktop |
| SMTP/API Providers | Multiple profiles, connectivity tests, assignment, and error visibility | Use your own infrastructure without vendor lock-in |
| SpamAssassin Checks | Pre-send scores, content warnings, and readiness checks | Catch content and formatting issues before production sends |
| Sending Capacity | Capacity scores, pacing support, and provider limit awareness | Plan volume against documented provider constraints |
| Proxy Profiles | Profile library, assignment, testing, and operational routing controls | Support approved network separation and testing workflows |
| Logs | Timestamped events, SMTP/API errors, filtering, and exports | Troubleshoot faster and maintain audit-friendly records |
| Reports | Dashboards, charts, summaries, and client-ready exports | Report outcomes to stakeholders and agency clients |
| Webhooks | Structured campaign and email events with delivery logging | Automate CRM, dashboard, and internal workflows |
| Desktop App | Windows, macOS, and Linux with local campaign control | Work outside browser-only ESP dashboards |
| Responsible Sending | Policy alignment, suppression, bounce visibility, and audit trails | Operate permission-based campaigns with accountability |
FAQ
Answers for buyers evaluating desktop email campaign software for Windows, macOS, and Linux.
MailFleet includes campaign management, template builder, SMTP and API provider management, SpamAssassin checks, sending capacity scoring, proxy profiles, detailed campaign logs, campaign reports, webhooks, contact and list management, responsible sending controls, and free email diagnostic tools — all in one desktop app for Windows, macOS, and Linux.
Get started
Download MailFleet for Windows, macOS, or Linux. Connect your SMTP and API providers, run pre-send checks, and manage campaigns with logs, reports, and webhooks.
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Same desktop experience across every platform — one workflow for your entire team.