Janos Ver

By default when you send any notification from your blog (including many of the plugins as well) sender is “WordPress” and the sender e-mail address is <a href="mailto:wordpress@yourdomain.com" rel="nofollow ugc">wordpress@yourdomain.com</a>. I wanted to have personalized sender name and e-mail address that is why I created this plugin. Then I added features to send out e-mail notifications about newly published posts to users who are interested either automatically (on publish) or manually.
This plugin will enable you to
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Replace default <a href="mailto:wordpress@yourdomain.com" rel="nofollow ugc">wordpress@yourdomain.com</a> to any e-mail address
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Replace default e-mail from “WordPress” name to anything you want
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Send e-mail notifications automatically/manually to all registered users about new public posts
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Easily customize notification e-mail subject and content templates
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Re-send e-mail notifications manually as well
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<li>
Send notifications about password protected posts as well (password will NOT be included in notification e-mail)
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If you have <a href="https://wordpress.org/plugins/wp-jv-post-reading-groups/" rel="ugc">WP JV Post Reading Groups plugin</a> installed then entitled users can receive notifications about new private posts as well
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Users can opt-out if they don’t want to receive e-mails (they can choose to get all/nothing)
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Bulk subscribe/unsubscribe users to/from e-mail notifications (go to Users->All Users and see bulk actions)
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Maintain e-mail log about sent e-mail notifications
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</ul>
Translations
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<li>
Hungarian – Janos Ver (last updated for plugin v2.3.1)
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<li>
Serbian – Andrijana Nikolic (last updated for plugin v2.2)
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German – Matthias Siebler (last updated for plugin v2.3.1)
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</ul>

WP JV Custom Email Settings

THAT is what i need! So cool integrated. 
Thank you for this PlugIn. I love it.



Love it...

The author obviously thinks the issue mentioned by Sublines is not worth looking into. Therefor I'll have to give a 1 str so he can start noticing.
Everytime you update a post, the notification gets sent to all the subscribers AGAIN. If I decide to make 100 changes that day, the subscribrs will get 100 emails. Its just rediculous.
Also, lately, the sending doesnt work, so I dont think its compatible with my current WP installation 4.4.1



Emails get sent on every update of the post

Notify users about new posts published and customize your e-mail notification settings

Ironikus

This plugin extends the possibilities of WP Webhooks & Pro by integrating emails with an extended webhook functionality. 
For a full list of the features, please check down below:
<h4>Features</h4>
<ul>
<li>Fire a webhook once an email is sent</li>
<li>Send an email on your WordPress system via webhooks</li>
<li>Support for certain tags like CC, BCC, FROM, REPLY-TO and more</li>
<li>Support for attachments</li>
<li>Support for HTML content</li>
</ul>
<a href="https://wp-webhooks.com/" rel="nofollow ugc">See plugin web view</a>
<h4>For devs</h4>
Feel free to message us in case you want special features – We love to help!

WP Webhooks – Email integration

A WP Webhooks & Pro extension for integrating WordPress emails

WP JV Custom Email Settings vs WP Webhooks – Email integration