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Add Plain-Text Email

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Add Plain-Text Email

by Danny van Kooten

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Description

Add Plain-Text Email

This plugin will add a plain/text version of your HTML emails to your WordPress emails. This decreases the chance of your legit emails being marked as spam by tools as SpamAssassin.

This plugin comes without any settings. When activated, it will automatically look for HTML emails being sent using the wp_mail() function and when necessary add the plain text version.

If you have more question about the why’s of this plugin, take a look at the FAQ.

More information

Installing the plugin

  1. In your WordPress admin panel, go to Plugins > New Plugin, search for Add Plain Text Email and click “Install now”
  2. Alternatively, download the plugin and upload the contents of add-plain-text-email.zip to your plugins directory, which usually is /wp-content/plugins/.
  3. Activate the plugin. Your HTML emails will now automatically have a plain text version attached.
  4. (Optional) Test your new mail score using http://mail-tester.com/
Why add a plain text version?

Because it decreases the chance of your legit email being marked as being spam and thus disappearing in spam folders.

http://wiki.apache.org/spamassassin/Rules/MIME_HTML_ONLY

Will this mess up my HTML email?

No, the plugin does not affect the HTML message of emails.

Will the people I send email to notice?

No, 99% of all email clients will just show the HTML version of the email.

The other 1% can’t properly display HTML and will show the plain text email. Without this plugin, they would have had nothing to show.

Where can I check my SpamAssassin score?

You can use the following online tools to test the spammyness of your WordPress emails.

http://mail-tester.com/
http://isnotspam.com/
http://spamscorechecker.com/
http://www.port25.com/support/authentication-center/email-verification/

Just great and efficient with all newsletter plugins!

By Benjamin Danon (bndn) on August 10, 2023

A lot of WP plugins send only HTML emails. This plugin saves us from having to change to another plugin to just send plain text emails along with HTML emails. It works perfectly with WP 6.3 and Icegram Express.

Thank you Danny!

Works perfectly - improved SpamAssassin score!

By John (jhob) on June 6, 2018

Does exactly what it says on the tin. Even though it has not been updated for ages the code is super-simple so there's no reason for it to require an update. Tested on WP version 4.9.6. Also works with the WP Mail SMTP plugin to send through Mailgun which was an unexpected bonus!

1.2 – Nov 20, 2023

  • Preserve href attribute from <a> elements. Thanks Benjamin Danon!
  • Remove PHPMailer parameter type as it somehow isn’t working on some set-ups…

1.1.3 – Dec 23, 2022

  • Remove incorrectly working check to prevent running more than once.
  • Update tested WP version.
  • Add license information to source code.

1.1.2 – September 1, 2015

Remove faulty debugging statement.

1.1.1 – August 31, 2015

Improvements: The plugin is now a lot smarter when it comes to adding line-breaks.

1.1 – August 24, 2015

  • Fixed: WordPress’s “lost password” emails were stripped of links.
  • Improvement: Now only running on text/html emails with no text version.

1.0 – October 21, 2013

  • Initial release
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