It tracks checkins to the CVS repository. You can subscribe to digest version of some mailing lists. In this case you will get one message with more posts. Currently messages are sent once per day or if messages contain more than 200 lines. Depending on the volume of traffic on the central cores mailing list additional mailing lists might be created.
Policies Try to avoid sending messages with large attachments inside to the list.
Instead provide a web URL from where an attachment can be retrieved. All the lists have a maximum message size of 200 KBytes. If your message exceeds this limit, you should provide a web URL of the attachments or compress them before sending message to the list. Please select appropriate list for your message and try to avoid to cross post to several lists. Please don't send messages in HTML, RTF and similar formats.