swisscom

As talked about previously, ISP feedback loops are in flux in 2023. Validity, who manages the backend FBL processes for a large number of mailbox providers via their “Universal Feedback Loop”, has indicated that they’re moving from a free to a paid model. Free access will provide aggregrated metrics via a dashboard, but no full feeds of raw complaints. Meaning, if you want to be able to directly log (or unsubscribe) all complaints, you or your ESP or CRM tool will need to pay Validity for that access. I pondered here, what of Abusix? An anti-spam/security software vendor founded in 2009, they had indicated that they were considering offering their own “FBL processing” service. And indeed, that is now taking shape. I reached out to Tobias Knecht and Steve Freegard from Abusix to ask them about this new service. They told me that they felt they already had appropriate infrastructure