The CPosting class is used with subscription issues.
||The method adds a new issue (newsletter, message).
||The method deletes an issue by its ID.
||The method returns an issue by its ID.
||The method returns an array of e-mail addresses to which the message will be
||The method returns a list of user groups to which the message will be sent.
||The method returns a filtered list of issues.
||The method returns subscriptions to which the message will be sent.
||The method sends the issue message to subscribed e-mail addresses.
||The method updates the issue properties by its ID.
||Attempts to lock an issue. Used with automatic
dispatch of the issue messages.|
||Adds an attachment to an issue. The attachment is
stored and registered in the file table (b_file).|
||Deletes one or all attachments of the issue.|
||Returns the issue attachments.|
||Schedules the issue sending via the cron or an
||Changes the issue status and performs the required action.|