BaiatuLuTata

This plugin overrides the default WordPress email sending function with SendGrid’s Mail Send API.
Key Features:
<ul>
<li>Toggle Email Override for SendGrid on/off</li>
<li>Enter your SendGrid API key</li>
<li>Customize the “From” email and name</li>
<li>Send a test email directly from the settings page</li>
<li>Clean and native WordPress admin UI</li>
</ul>
<h3>External Services</h3>
This plugin integrates with the <a href="https://www.sendgrid.com/" rel="nofollow ugc">SendGrid</a> email delivery service to send outgoing emails via its API instead of the default <code>wp_mail()</code> function.
When enabled, the plugin communicates with the following SendGrid API endpoint: https://api.sendgrid.com/v3/mail/send
Data sent to SendGrid includes: 
– Sender name and email 
– Recipient email(s) 
– Email subject 
– Message body (text or HTML) 
– Optional headers (Cc, Bcc)
The plugin requires a valid SendGrid API key to function. This credential is stored in your WordPress database and used only to authenticate API requests to SendGrid.
Privacy Notice: 
By using this plugin, you agree to SendGrid’s <a href="https://www.sendgrid.com/terms-of-service/" rel="nofollow ugc">Terms of Service</a> and <a href="https://www.sendgrid.com/privacy-policy/" rel="nofollow ugc">Privacy Policy</a>. Ensure your use of SendGrid complies with local privacy laws and your own data protection policies.

Email Override for SendGrid

Replaces WordPress wp_mail() with SendGrid's API. Adds a settings page to manage API key, sender info, and test email functionality.

EngineThemes

Developed by <a href="http://enginethemes.com/" rel="nofollow ugc">EngineThemes</a>, ET Mailing supports Mandrill and Mailgun – the two famous transaction email services, ET Mailing helps you to send, receive, track and store emails effortlessly. The emails will have a better chance of appearing in the inbox and if there’s something wrong, you’ll be informed. You’ll always know what has happened to every email.
Once ET Mailing is activated, you can easily find it in your dashboard and start setting it up. You can decide the information being displayed in your email as well as enable some features to get the records. The system will keep track how many people have opened your email and whether they click the links on your emails.
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ET Mailing

Integrated with Mandrill and Mailgun, ET Mailing helps you to send, receive and track emails effortlessly

Email Override for SendGrid vs ET Mailing