Connect with niche publishers to exchange newsletter recommendations, grow subscribers, earn commissions, and expand your audience through trusted, in-platform partnerships.

Seamlessly integrate via robust API and pre-built app connections to sync data, automate workflows, and embed email marketing into your existing tech stack.

Protect sign-up forms from spam bots with reCAPTCHA, honeypots, and rate limiting to maintain list quality, deliverability, and sender reputation.

Segment subscribers by demographics, behavior, or engagement to send targeted content, boost conversions, and increase engagement with auto-generated and custom segments.

Build automated email funnels with a visual workflow, using triggers, actions, and conditional logic to deliver timely, personalized messages that boost engagement.

Embed customizable, high-converting signup forms with optional double opt-in to grow a qualified, engaged subscriber list across your site and pop-ups.

Design responsive, professional emails and pages with an intuitive drag-and-drop editor, no coding required, ensuring fast creation and visually engaging content.

Boost growth with built-in referral and affiliate programs, rewarding subscribers and partners for driving sign-ups or sales, all tracked and managed in-platform.

Embed customizable subscription forms, widgets, and content via our SDK, enabling real-time, fully branded sign-up experiences directly in your site or app.

Verify new emails for validity, domain, and disposables to prevent bounces, protect sender reputation, and ensure you reach real, engaged subscribers.

Run A/B tests on subject lines, content, timing, or CTAs, letting the system pick winners to optimize engagement, conversions, and overall email ROI.

Manage all email campaigns in one dashboard with scheduling, filtering, duplication, and send-time optimization for organized, efficient marketing.

Create focused, responsive landing pages to promote offers, capture leads, or sell products without a separate website, boosting conversions with clear CTAs.

Save reusable content blocks for faster campaign creation, ensuring consistent design, brand identity, and efficiency across all emails and pages.

Monetize newsletters with native text ads or sponsorships, sold directly or via our ad network, seamlessly managed, tracked, and optimized for reader engagement.

Optimize deliverability with SPF, DKIM, DMARC, domain warm-up, and compliance tools, ensuring inbox placement and adherence to GDPR/CAN-SPAM standards.

Get advanced email analytics with visualized metrics, heatmaps, segment insights, and deliverability details to refine strategy and boost campaign performance.

Visualize and schedule campaigns with a built-in marketing calendar, ensuring consistent, timely content and improved team collaboration.

Create a multi-page website or blog without coding to host newsletters, boost SEO, and convert visitors — integrated fully with your email marketing.

Use professionally designed, conversion-optimized templates for emails, pages, and forms to quickly create polished, high-quality content without design expertise.

Sell paid content, products, or subscriptions directly with built-in order forms and recurring billing, handling payments, tracking, and customer management seamlessly in-platform.

Use dedicated IP pools for full control over sending reputation, improved deliverability, and segmentation of email types, with expert warm-up and management support.

Boost conversions with testimonial and FAQ sections that build trust, address concerns, and showcase social proof on your landing pages.

Customize colors, fonts, logos, and domains for consistent branding across all communications, boosting trust, recognition, and professionalism.

Manage multiple branded publications and subscription tiers under one account, centralizing content, analytics, and audience management for scalable, diversified growth.

Manage multiple verified sender identities per brand or publication, ensuring deliverability, brand consistency, and reputation protection across all emails.

Generate on-brand images and content with built-in AI — create custom visuals and copy without leaving OptiPub to speed up campaign creation.

Connect AI assistants to OptiPub through the Model Context Protocol — manage subscribers, content, segments, and reporting with natural language, securely and at scale.

Break down deliverability and engagement by mailbox provider — Gmail, Outlook, Yahoo, and Apple Mail — across message history and subscriber segmentation to pinpoint and fix inbox placement issues.