maranqz

The Cheapest advanced Email Address Validation to forms. Prevents typos in email address field and eliminates spam submissions with fake email addresses. The solution is based on Email Validator service.
Email validation is easy way to check and verify address by the validators: 
* Syntax; 
* Role; 
* Free domain; 
* Disposable 
* MX records; 
* SMTP (to check existing).
This plugin uses external service (Email Validator) and requires API Key which can be obtained <a href="https://rapidapi.com/maranqz/api/email-validator15/" rel="nofollow ugc">here</a>.
Please check Privacy Policy <a href="https://rapidapi.com/privacy/" rel="nofollow ugc">here</a> and Terms <a href="https://rapidapi.com/terms/" rel="nofollow ugc">here</a>.

GEV Email Validator

The Cheapest advanced Email Address Validation to forms. Prevents typos in email address field and eliminates spam submissions with fake email address …

BaiatuLuTata

String Replacer lets you define pairs of strings to search and replace across your WordPress site — including content, post titles, footer text, and outgoing emails. It works instantly and includes a simple admin interface for managing replacements.
<h3>Features</h3>
<ul>
<li>Replace strings in:
<ul>
<li>Post titles</li>
<li>Post content</li>
<li>Site-wide output (e.g., footer, widgets, etc.)</li>
<li>Outgoing emails (<code>wp_mail()</code>)</li>
</ul>
</li>
<li>Simple admin UI with:
<ul>
<li>Add/remove rows</li>
<li>Live search</li>
<li>Pagination</li>
</ul>
</li>
<li>Replaces email addresses and works inside <code>mailto:</code> links</li>
<li>Preserves leading and trailing spaces in replacement strings</li>
<li>Supports multilingual and branding replacement use cases</li>
<li>Fully local, compliant with WordPress plugin guidelines</li>
</ul>
<h3>Usage</h3>
<ol>
<li>In the admin screen, add one or more rows:
<ul>
<li>“Original String” (e.g., <code>Hello</code>)</li>
<li>“Replacement String” (e.g., <code>Bonjour</code>)</li>
</ul>
</li>
<li>Save your changes.</li>
<li>The plugin will handle replacements in frontend output and emails automatically.</li>
</ol>
<h3>Examples</h3>
<ul>
<li>Replace <code>support@oldsite.com</code> → <code>help@newbrand.com</code></li>
<li>Replace <code>Hello</code> → <code>Bonjour</code></li>
<li>Replace <code>ACME Inc.</code> → <code>NewCorp</code></li>
<li>Replace <code>"Hello "</code> (with a space) → <code>"Hi "</code> (space preserved)</li>
</ul>
<h3>Filters & Extensibility</h3>
This plugin hooks into: 
– <code>the_title</code> and <code>the_content</code> 
– <code>template_redirect</code> output buffering 
– <code>wp_mail</code> filter (subject, message, and headers)
Developers can use <code>STRIRE_replace_strings( $text )</code> to apply replacements manually in custom contexts.
<h3>Author</h3>
Created by Ionut Baldazar 
GitHub: https://github.com/baiatulutata 
Email: baiatulutata@woomag.ro

String Replacer


and it is absolutely awesome! you can take out unwanted links or change that weird label that you don't know where it is coming from 


i made this plugin

Replace any string visible to site visitors or found in outgoing emails—titles, content, footers, and more. Comes with a dynamic admin interface.

GEV Email Validator vs String Replacer