Merge pull request #2 from Psycle/develop

Documentation

README.md

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+# WordPress Mail Options Plugin
+
+## About
+
+This plugin hooks into the wp_mail() function and overrides the From address.
+
+This is required for sites that send email using external mail services which require a correct 'From' address for authentication.
+
+Any existing 'From' address will be moved to the 'Sender' header. If no 'Reply-To' header is set then the original 'From' header is used.
+
+## Usage
+
+This plugin is available via Composer/Packagist (using semantic versioning), so just run the following composer command
+
+composer require psycle-wordpress-plugins/mail-options
+