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Free Plugin by properfraction v1.2.78.3

MailOptin

Create popup, optin forms using easy form builder & popup maker. Send automated email to subscribers — Mailchimp, ActiveCampaign, Campaign Monitor etc

MailOptin

The facts

Rating
4.8★ from 435
Active installs
10k+
Price
Free
Last updated
28 Aug 2026
Added
Jul 2017
Requires WP
6.4
Tested up to
WP 7.1
Requires PHP
7.4
Downloads
2,444,708

Our analysis

AI-assisted

MailOptin is a WordPress plugin designed for creating popups, opt-in forms, and email newsletters. It allows you to build custom popups that can help capture email subscribers and leads, as well as send automated notifications about new blog posts to your users. The plugin includes various display options such as lightbox popups, sidebar forms, and notification bars.

This plugin is suitable for website owners looking to enhance their email marketing efforts and grow their subscriber lists. It offers features that cater to both lead generation and email communication, making it a versatile tool for those managing content-driven sites.

Best for: Website owners and bloggers looking to build their email lists and communicate with subscribers.

What it does well

  • Creates popups and opt-in forms
  • Automates email newsletters for new blog posts
  • Includes GDPR-compliant features
  • Offers multiple display options for forms
  • Provides spam protection features

Where it falls short

  • Limited information on premium features
  • No specific details on customisation options

Verdict

MailOptin provides useful tools for email marketing and lead generation, particularly for those using WordPress. Its features cater well to users focused on growing their audience and maintaining engagement.

From the developer

properfraction's own description of MailOptin, lightly tidied.

Popup Maker, Email Newsletter, User Registration & Form Builder

Build popups & optin forms to get more email newsletter subscribers, leads, and sales with our intuitive popup builder plugin! 🚀

MailOptin is a form builder and popup maker for creating popups, subscribe forms, user registration forms, and sending email newsletters.

With the MailOptin popup plugin, you can displays signup forms, targeted messages, and call-to-actions across your website with a popup (lightbox or modal), in-post subscription form, notification bars, slide-in (or scroll box), and sidebar widget. Our easy-to-use popup maker allows you to create beautiful popup and lead generation campaigns in minutes, not hours!

Automatically notify your subscribers and WordPress users every time you publish new content on your blog. MailOptin sends blog posts as email newsletters. Learn more

Our popup optin forms are GDPR-compliant.

MailOptin Premium
This is the lite version of the MailOptin Premium popup plugin that comes with all essential features to build your email list. Click here to purchase our WordPress subscribe form & email newsletter plugin.

Take Test Drive

Features of MailOptin Lite

Lead Generation

  • Lightbox Popups – Custom popups that overlay above your content to grab your visitor’s attention. See Demo
  • Before & After Post Optins – Optimal for converting your blog readers and website page viewers. See Demo
  • Sidebar/Widget Forms – The most popular method of building an email list. See Demo
  • Calls to Actions – Display targeted messages to your website visitors with a call-to-action button urging them to act.
  • Spam Protection – MailOptin uses Honeypot to stop spam contact form submissions. Additionally protection via reCAPTCHA and Cloudflare Turnstile protection are available in the premium version.
  • After Conversion Actions – Close the opt-in form after conversion, close the form, and reload the page or redirect to a custom URL. Additionally, premium version allows you to trigger a JavaScript code as well as pass lead data to redirect URL.
  • Page-level Targeting – lets you display optin or email signup form in specific posts and pages of your WordPress site.

Email Newsletters

Integrates with All Email Marketing Platforms

MailOptin popup maker works with all popular email marketing software and CRM, including Mailchimp, AWeber, Constant Contact, Campaign Monitor, Salesforce, Sendy, Mailerlite, MailPoet, Kit (ConvertKit), ActiveCampaign, Infusionsoft by Keap, Drip, Brevo (Sendinblue), EmailOctopus, HubSpot, Ontraport CRM, Microsoft Dynamics 365, Mailjet, Klaviyo, Sendlane, Mailster, Moosend, Gist, VerticalResponse, Zoho CRM, Zoho Campaigns, Emma, SendFox, SendGrid Email Marketing, GoDaddy Email Marketing, CleverReach, Omnisend, Google Sheets, GetResponse, iContact, E-goi, Mailgun, Flodesk, Beehiiv, Elastic Email, Encharge, HighLevel, weMail, FluentCRM, Benchmark Email, Mailercloud, SendPulse, Bento, Groundhogg, Sender.net, Copper CRM and NewsMAN.

Read the full description on the official page →

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