Features — MailFlow

Email Creation

Build Emails That Convert

Choose your editing style — no-code drag-drop or full HTML control. Both save beautiful templates you can reuse.

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Drag-Drop Block Builder

Stack pre-built content blocks: headers, text, buttons, images, dividers, social links, and more. Edit colors, fonts, and padding with zero code.

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TinyMCE WYSIWYG

Full rich text editor for those who prefer direct HTML editing. Paste in your custom templates.

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Inbox Preview

Simulate how your email looks in Gmail, Outlook, Apple Mail, and on mobile — before you hit send.

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Dark Mode Preview

See how your template renders in email dark mode. Adjust colors accordingly.

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Subject Line Scorer

Get instant feedback: character count, emoji usage, spam word detection, and a predicted open rate score.

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Template Library

Save unlimited templates, organize by category, and clone campaigns with one click.

Subscribers & Lists

Manage Your Audience Effortlessly

Import, segment, and nurture your subscribers with powerful list management tools.

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CSV Import

Upload a CSV file, map columns to subscriber fields, and import thousands of contacts in seconds.

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CSV Export

Export any filtered segment with full field data for backup or use in other tools.

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Subscriber Lists

Organize contacts into multiple lists. Send targeted campaigns to specific segments.

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Suppression List

Unsubscribes and hard bounces are automatically added. Never re-send to them.

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Double Opt-In

Confirm subscriber consent with an email confirmation step. Boost list hygiene and deliverability.

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Custom Fields

Store phone, company, or any custom data alongside email addresses.

Sending & Tracking

Send Smarter, Track Everything

Every email you send is tracked in real time. Know exactly who opened, clicked, and converted.

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Open Tracking

1×1 pixel tracking with HMAC-signed tokens. See open rates, unique opens, and open-over-time charts.

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Click Tracking

Every link in your emails is rewritten through a secure tracker. See total and unique clicks per link.

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Link Heatmap

Visualize which links in your campaign got the most clicks with a proportional heatmap.

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Send Time Optimizer

Analyzes your past campaigns to show which hours and days drive the highest open rates.

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Campaign Scheduling

Schedule campaigns minutes or weeks in advance. Cron-based scheduler fires every 5 minutes.

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Instant Send

Send immediately to your list. Batch delivery with configurable per-batch throttling.

Lead Capture

Capture Leads From Anywhere

Build embeddable forms in minutes and add them to any website or landing page.

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Drag-Drop Form Builder

Add email, name, phone, company, or custom fields. Drag to reorder. Style with your brand colors.

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Script Embed

Embed a lightweight JavaScript snippet that injects your form into any div on any page.

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iFrame Embed

Prefer an isolated iframe? Use the hosted version with full CORS support.

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reCAPTCHA Support

Protect forms from bots with Google reCAPTCHA v2 integration.

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Double Opt-In

Optional confirmation email before the subscriber is added to your list.

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Submission Analytics

Track form views, submission rates, and conversion over time.

Security

Built with security first

Enterprise-grade protection baked into every layer of the platform.

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CSRF Protection

Every form and AJAX request requires a CSRF token. Forgery attacks are blocked at every endpoint.

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2FA Authentication

Optional email-based two-factor authentication for all user accounts.

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Encrypted Credentials

SMTP passwords and sensitive data are encrypted at rest with AES-256-CBC.

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Rate Limiting

Login brute-force protection: 5 attempts triggers a 15-minute lockout stored server-side.

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HMAC-Signed Tokens

All tracking and unsubscribe links use HMAC-SHA256 signed tokens to prevent manipulation.

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Audit Log

Every significant action is logged: logins, sends, imports, plan changes, and admin operations.

Packed with powerful features