Relay Filter with StringList attributes - Allows email to come through for a specified list of local domains, or by connection ip. Supports StringList types for the list of domains, accept and reject addresses.
Local Delivery Filter - Changes the message target for recipient domains found in the localdomains attribute.
Simple Relaying Filter - Allows email to come through for a specified list of local domains, or by connection ip
Seed Filter - SeedFilter sends messages to defined pop addresses at specified intervals within a distribution list. Deliverabiliy issues can be identified and addressed using the data returned by the deliverability service vendor based on the results of the delivery attempts to seed accounts.