LionScripts.com

LionScripts’ Site Maintenance & Noindex Nofollow is a very useful Site Maintenance plugin, which provides you space to work on your site, when you don’t want to make it live for the people. Apart from just blocking the rest world, the plugin also adds nofollow noindex to your wordpress site, if opted.
<h4>Plugin Features</h4>
<ul>
<li>Adds No-Index and No-Follow if opted</li>
<li>Change your site’s state into developent mode</li>
<li>Works Without any conflict on your existing plugins and themes</li>
<li>Free 24X7 Support</li>
</ul>
For all kind of support and questions, please visit http://support.lionscripts.com/ and provide detailed explaination of the respective issue.
Software specification are available at: 
http://www.lionscripts.com/product/maintenance-and-noindex-nofollow/

LionScripts: Site Maintenance & Noindex Nofollow Plugin

LionScripts' Site Maintenance & Noindex Nofollow is a very useful Site Maintenance plugin, which provides you space to work on your site, whe …

Sajjad Hossain Sagor

Block Spammy Disposable/Temporary Emails To Submit On Ninja Forms. Filtering Spammy Emails Will Increase Your Real Subscriber List.
<h4>Features:</h4>
<ul>
<li>Easy As 123, Just Plug & Play</li>
<li>Toggle To Enable/Disable For Individual Form</li>
<li>Translation Ready</li>
<li>Set Disposable/Temporary Emails Found Message (Default Message Provided)</li>
</ul>
Daily Hundreds of people submit emails to get free stuff but most of the time they use spammy disposable/temporary emails to get them… but now you can prevent that from happening. You can use this plugin to block/prevent disposable emails like 10MinuteMail and GuerrillaMail from submission on any Ninja Forms form.
Credits 
– https://github.com/andreis/disposable

Disposable Email Blocker – Ninja Forms

Block Disposable/Temporary Spam Emails On Any Ninja Forms From Submitting.

LionScripts: Site Maintenance & Noindex Nofollow Plugin vs Disposable Email Blocker – Ninja Forms