Everything you need to run professional email marketing
From campaign creation to deliverability, MailSero provides a complete toolkit to help you send smarter, reach more inboxes, and grow faster.
Create and send campaigns that convert
Design, personalise, and deliver beautiful email campaigns with powerful built-in tools â no coding required.
Drag & Drop Builder
Visual email editor with content blocks for images, text, buttons, videos, and social links. No coding needed â design like a pro.
A/B Split Testing
Test subject lines, content, and send times. MailSero picks the winner automatically and sends it to the rest of your list.
100+ Email Templates
Pre-built, mobile-responsive templates for newsletters, promotions, announcements, and transactional emails.
Scheduled & Auto Sending
Schedule campaigns for the perfect moment or let auto-scheduling pick the best send time per subscriber.
Dynamic Content & Spintax
Personalise every email with merge tags, conditional content blocks, and Spintax variations for each subscriber.
Multi-Threaded Delivery
Queue-based architecture with Supervisor support ensures reliable, high-volume sending at scale.
Build workflows that run while you sleep
Automate every step of the subscriber journey â from first welcome to long-term re-engagement â with a visual canvas.
Trigger-Based Emails
Fire emails on subscription, unsubscription, birthdays, custom dates, or any subscriber field change in real time.
Visual Workflow Builder
Drag-and-drop automation canvas with conditional splits, time delays, wait-until conditions, and multi-branch paths.
Welcome & Onboarding Series
Multi-step welcome sequences that introduce new subscribers, deliver lead magnets, and drive first conversions automatically.
RSS-to-Email Campaigns
Automatically pull your latest blog posts or news feed and send digest emails on your schedule â daily, weekly, or on new items.
Behavioural Targeting
Branch automations based on who opened, clicked, or ignored emails. Re-engage inactive subscribers with targeted follow-ups.
Birthday & Anniversary Emails
Send automated greetings, renewal reminders, or anniversary offers based on custom date fields in subscriber profiles.
Build and manage high-quality subscriber lists
Import, segment, and maintain your lists with ease. Keep data clean, compliant, and ready to convert.
Mass Import & Export
Bulk import from CSV, Excel, or copy-paste. Map columns to fields, handle duplicates automatically, and export anytime.
Advanced Segmentation
Create segments combining tags, custom fields, engagement scores, open/click history, and subscription date. Updates in real time.
Tags & Custom Fields
Unlimited custom fields (text, date, number, dropdown) plus tag-based organisation. Use in merge tags, segments, and conditions.
Embeddable Sign-Up Forms
Generate HTML forms with custom fields and embed on any website. Supports single and double opt-in with confirmation pages.
Double Opt-In & GDPR
GDPR-ready double opt-in with customisable confirmation emails and landing pages. Maintain clean, permission-based lists.
Subscriber Profiles & Activity
Full subscriber timeline showing opens, clicks, bounces, and automation history. Track engagement scores over time.
Reach inboxes, not spam folders
Built-in tools to protect your sender reputation, authenticate your domain, and ensure maximum inbox placement.
SPF, DKIM & DMARC
Step-by-step DNS authentication setup. Verify your sending domain to maximise inbox placement and sender reputation.
Email Verification
Verify addresses before sending using built-in checks or integrations with Emailable, Kickbox, ZeroBounce, and debounce.io.
IP Warmup Management
Linear or exponential warmup strategies with automatic daily quota calculation. Safely build IP reputation on new IPs.
Bounce & Complaint Handling
Automatic processing of hard bounces, soft bounces, and spam complaints. Feedback loop integration with major ISPs.
Spam Score & Preview
Check emails against SpamAssassin filters before sending. Preview rendering across Gmail, Outlook, and mobile clients.
Sending Throttle Controls
Per-server rate limiting and sending quotas. Control throughput to match ISP expectations and avoid throttling.
Actionable insights for every campaign
Understand exactly how your emails perform â from open rates to geographic breakdowns â and use data to continuously improve.
Real-Time Campaign Analytics
Live dashboards tracking opens, clicks, bounces, complaints, and unsubscribes with interactive charts and ratios.
Click Maps & Geo Reports
Visual heatmaps showing where subscribers click. Geographic and device reports by country, browser, and email client.
Per-Link Performance
Track click-through rates for every individual link in your campaign. Understand which CTAs drive the most engagement.
Unsubscribe & Growth Tracking
Monitor list growth, unsubscribe rates, and churn trends over time. Identify what keeps subscribers engaged.
A/B Test Reports
Detailed comparison of all A/B test variants, including open rates, click rates, and the winning combination.
Exportable Reports
Export any report to CSV or PDF. Schedule recurring reports to be delivered to your inbox automatically.
Connect every tool in your stack
MailSero works with all major sending services, payment gateways, and developer tools right out of the box.
Sending Services
Amazon SES
Send at $0.10 per 1,000 emails with Amazon Simple Email Service. The most cost-effective bulk sending solution.
SendGrid
Connect SendGrid for reliable high-volume delivery with advanced analytics and deliverability monitoring.
Mailgun
Developer-friendly API for transactional and bulk email. Full bounce and webhook integration included.
SparkPost
Enterprise-grade email infrastructure with predictive analytics and engagement tracking.
Elastic Email
Affordable SMTP relay with powerful deliverability tools for high-volume senders.
Any SMTP Server
Postfix, Exim, Sendmail, or any SMTP. Full control over your mail infrastructure with per-server configuration.
Developer Tools
RESTful API
Full REST API for subscribers, campaigns, lists, and automations. Integrate MailSero with any application.
Webhooks
Real-time event notifications for opens, clicks, bounces, and unsubscribes. Push data to any endpoint.
Zapier Integration
Connect MailSero to 5,000+ apps through Zapier. Automate list updates, triggers, and more without code.