wp-mail.php
Action Hook: Fires to allow a plugin to do a complete takeover of Post by Email.
Source: wp-mail.php:29
wp_mail_original_content
Filter Hook: Filters the original content of the email.
Source: wp-mail.php:188
phone_content
Filter Hook: Filters the content of the post submitted by email before saving.
Source: wp-mail.php:211
publish_phone
Action Hook: Fires after a post submitted by email is published.
Source: wp-mail.php:241