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[Mail & Notifications](/categories/mail) 4. / 5. anto0102/mailguard ActiveFlarum-extension[Mail & Notifications](/categories/mail) anto0102/mailguard ================== Flarum extension to sanitize and validate email registrations v2.0.7(2mo ago)14MITPHPPHP ^8.3 Since May 2Pushed 2mo agoCompare [ Source](https://github.com/anto0102/MailGuard)[ Packagist](https://packagist.org/packages/anto0102/mailguard)[ RSS](/packages/anto0102-mailguard/feed)WikiDiscussions main Synced 1w ago READMEChangelogDependencies (1)Versions (14)Used By (0) Flarum MailGuard ================ [](#flarum-mailguard) [![Flarum 2.0 Compatible](https://camo.githubusercontent.com/efb5eba7f9df415c7628d164e4a61150fbee8a33a04d596a169b11d0f636dc60/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f466c6172756d2d322e302d626c75652e737667)](https://camo.githubusercontent.com/efb5eba7f9df415c7628d164e4a61150fbee8a33a04d596a169b11d0f636dc60/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f466c6172756d2d322e302d626c75652e737667) [![License](https://camo.githubusercontent.com/784362b26e4b3546254f1893e778ba64616e362bd6ac791991d2c9e880a3a64e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4c6963656e73652d4d49542d677265656e2e737667)](https://opensource.org/licenses/MIT)[![Total Downloads](https://camo.githubusercontent.com/e7f70045ab8004164c58c9d17645e5f23e652a55456bcf389c58da506011dece/68747470733a2f2f706f7365722e707567782e6f72672f616e746f303130322f6d61696c67756172642f646f776e6c6f616473)](https://packagist.org/packages/anto0102/mailguard)[![Latest Stable Version](https://camo.githubusercontent.com/09d7df96aeb45d31c4667095d7adc68c05d38a2243ec32701a0eb0613b2b76c2/68747470733a2f2f706f7365722e707567782e6f72672f616e746f303130322f6d61696c67756172642f76)](https://packagist.org/packages/anto0102/mailguard)[![Monthly Downloads](https://camo.githubusercontent.com/4f6e2378eb045c6da55d2d393e97545c6da7d9507953b5160e69f16978cba59d/68747470733a2f2f706f7365722e707567782e6f72672f616e746f303130322f6d61696c67756172642f642f6d6f6e74686c79)](https://packagist.org/packages/anto0102/mailguard) MailGuard is a lightweight, ultra-optimized Flarum 2.0 extension to securely guard and validate email domains during user registration. Built entirely without external GUI frameworks to guarantee zero impact on server memory and provide instant, real-time blocking of unwanted users. --- Features & Configuration Guide ---------------------------------- [](#features--configuration-guide) ### Alias Anti-Fraud (Plus Strategy) [](#alias-anti-fraud-plus-strategy) Gmail and many providers allow users to add a `+` (e.g., `user+spam@gmail.com`) to create "infinite" addresses for the same account. - **Action: Block**: Rejects any registration containing a `+` alias. - **Action: Sanitize**: Automatically removes the alias part (e.g., `user+1@gmail.com` becomes `user@gmail.com`) before saving. ### Gmail Dot Strategy (Anti-Clone) [](#gmail-dot-strategy-anti-clone) Gmail ignores dots (e.g., `m.a.r.i.o@gmail.com` is the same as `mario@gmail.com`). This is often used for account cloning. - **Disabled (Standard)**: Dots are ignored by the filter; Flarum treats them as separate emails. - **Check for Duplicates (Anti-Clone)**: \[Recommended\] The user can register with dots (maintaining their login UX), but MailGuard blocks the registration if the root version (without dots) already exists in the database. - **Strict Block**: Rejects any email containing dots in the local part for target providers. - **Silent Clean**: Automatically removes dots from the email before saving. Note: The user will then need to log in without dots. ### DNS/MX Live Validation [](#dnsmx-live-validation) Performs a real-time server check to verify if the domain has valid Mail Exchange (MX) records. Blocks fake domains like `@nonexistent-provider.web` instantly. ### Domain Shield (Allow/Deny) [](#domain-shield-allowdeny) - **Allowlist**: Only the listed domains can register. Perfect for corporate or invitation-only forums. - **Denylist**: All domains allowed except those listed (e.g., disposable email providers). --- Installation & CLI ---------------------- [](#installation--cli) Install via Composer: ``` composer require anto0102/mailguard php flarum cache:clear ``` ### Powerful CLI Commands: [](#powerful-cli-commands) ``` # Audit users against current blocked domains php flarum emailguard:audit # Perform a deep audit and permanently remove non-compliant users php flarum emailguard:audit --delete # Export all current forum domains to CSV or JSON php flarum emailguard:export --format=json ``` --- License ------- [](#license) This project is licensed under the MIT License. Support & Issues -------------------- [](#support--issues) If you experience any bugs, have questions, or want to suggest new features, please open an Issue directly on this GitHub repository. ### Health Score 40 — FairBetter than 86% of packages Maintenance84 Actively maintained with recent releases Popularity5 Limited adoption so far Community6 Small or concentrated contributor base Maturity56 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~0 days Total 13 Last Release 83d ago Major Versions v1.0.4 → v2.0.02026-05-02 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/164395900?v=4)[Anto102](/maintainers/Anto102)[@anto102](https://github.com/anto102) --- Top Contributors [![anto0102](https://avatars.githubusercontent.com/u/201468737?v=4)](https://github.com/anto0102 "anto0102 (1 commits)") --- Tags emailregistrationdomainguardflarum ### Embed Badge ![Health badge](/badges/anto0102-mailguard/health.svg) ``` [![Health](https://phpackages.com/badges/anto0102-mailguard/health.svg)](https://phpackages.com/packages/anto0102-mailguard) ``` ### Alternatives [flarum-lang/russian Russian language pack for Flarum. 12128.3k](/packages/flarum-lang-russian)[arubacao/tld-checker Top Level Domain (TLD) validation library for PHP 731.7M3](/packages/arubacao-tld-checker)[salaros/is-biz-mail isBizMail tells you whether a given email address is free (gmail.com, yahoo.es, yandex.ru etc) or not 31466.4k](/packages/salaros-is-biz-mail)[flarum-lang/french French language pack to localize the Flarum forum software plus its official and third-party extensions. 1938.7k](/packages/flarum-lang-french)[fof/webhooks Automatically notify Discord, Slack, and Microsoft Teams when events happen on your Flarum forum. 2420.0k](/packages/fof-webhooks)[maize-tech/laravel-email-domain-rule Laravel Email Domain Rule 612.0k](/packages/maize-tech-laravel-email-domain-rule) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)