http://portalimhzbgpjnrsg6fkvosr7hcjg62mhdsszprjvbyyb7bpqwrkayd.onion/knowledgebase/1294/How-to-delist-your-IP-after-receiving-an-abuse-notification..html
After requesting delisting, your request will be processed within a few days and released if there is no further abusive activity. 6. See Barracuda Central in this example, click on Removal request and fill in the fields with your data and send a message with a reason to delist the IP as in the example in the image.