Configure SMTP

Add unit tests.

Handle ‘Send email via Gmail?’ checkbox changes with JS event listener rather than explicit ‘onclick’.

Move JS into file and enqueue rather outputting directly into footer.

Update plugin framework to 045. (Too many changes to list.)

Improve singleton implementation. Add get_instance() static method for returning/creating singleton instance. Make static variable ‘instance’ private. Make constructor protected. Make class final. Additional related changes in plugin framework (protected constructor, erroring __clone() and __wakeup()).

Add get_instance() static method for returning/creating singleton instance.

Make static variable ‘instance’ private.

Make constructor protected.

Make class final.

Additional related changes in plugin framework (protected constructor, erroring __clone() and __wakeup()).

Cast submitted ‘smtp_auth’ (bool), ‘port’ (int), and ‘wordwrap’ (int) values to proper type before use.

Verify submitted ‘smtp_secure’ value is one of the viable options.

Add class constant SETTING_NAME (to store setting name) and use it in uninstall().

Remove pre-WP3.2-only JavaScript code.

Use explicit path when requiring plugin framework.

Explicitly declare activation() and uninstall() static.

For options_page_description(), match method signature of parent class.

Add support for language packs: Set textdomain using a string instead of a variable. Remove .pot file and /lang subdirectory.

Set textdomain using a string instead of a variable.

Remove .pot file and /lang subdirectory.

Discontinue use of PHP4-style constructor.

Prevent execution of code if file is directly accessed.

Minor code reformatting (spacing, bracing, conditional comparison order).

Minor documentation reformatting (spacing, punctuation).

Re-license as GPLv2 or later (from X11).

Add ‘License’ and ‘License URI’ header tags to readme.txt and plugin file.

Add LICENSE file.

Add empty index.php to prevent files from being listed if web server has enabled directory listings.

Use ’email’ instead of ‘e-mail’ on-screen and in documentation.

Use ‘Gmail’ instead of ‘GMail’ on-screen and in documentation.

Remove file-ending PHP close tag.

Reformat plugin header.

Note compatibility through WP 4.7+.

Dropped compatibility with version of WP older than 4.2.

Update donate link.

Update copyright date (2017).

Add new debugging configuration option

Fix bug that resulted from WP 3.2’s update to a new phpmailer

Fix bug with checking ‘Use GMail?’ did not auto-reset settings accordingly (jQuery bug regarding .attr() vs .prop() introduced in jQ 1.6 in WP 3.2)

Fix to call add_filter() instead of add_action() for ‘wp_mail_from’ (props Callum Macdonald)

Fix to call add_filter() instead of add_action() for ‘wp_mail_from_name’

Store error messages for later display rather than immediately outputting (too early)

Save a static version of itself in class variable $instance

Deprecate use of global variable $c2c_configure_smtp to store instance

Add explicit empty() checks in a couple places

Delete plugin settings on uninstallation

Add __construct(), activation(), and uninstall()

Add more FAQ questions

Regenerate .pot

Update plugin framework to version 023

Note compatibility through WP 3.2+

Drop compatibility with versions of WP older than 3.0

Explicitly declare all functions as public and class variables as private

Minor code formatting changes (spacing)

Update copyright date (2011)

Add plugin homepage and author links in description in readme.txt