email-rules has 1 follower and
61 67 uses:
Actions performed automatically on incoming or outgoing messages, based on conditions that you specify.
email-filter has 0 followers and
48 51 uses:
Email filters allow custom actions to be performed when a message satisfies the filter/rule requirements is received. An example of a common email filter is spam protection, which automatically moves all incoming messages into a Spam folder (action), when a given message is determined to be "spam" (rule).