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filter is not described

enable_post_by_email_configuration filter-hook . WP 3.0.0

Filters whether the post-by-email functionality is enabled.

Usage

add_filter( 'enable_post_by_email_configuration', 'filter_function_name_2318' );
function filter_function_name_2318( $enabled ){
	// filter...

	return $enabled;
}
$enabled(true/false)
Whether post-by-email configuration is enabled.
Default: true

Where the hook is called

In file: /wp-admin/options.php
enable_post_by_email_configuration
wp-admin/options.php 188
if ( apply_filters( 'enable_post_by_email_configuration', true ) )
wp-mail.php 14
if ( ! apply_filters( 'enable_post_by_email_configuration', true ) )
wp-admin/options-writing.php 26
if ( apply_filters( 'enable_post_by_email_configuration', true ) ) {
wp-admin/options-writing.php 114
if ( apply_filters( 'enable_post_by_email_configuration', true ) ) {

Where the hook is used (in WP core)

wp-includes/ms-default-filters.php 81
add_filter( 'enable_post_by_email_configuration', '__return_false' );