Hvis det ikke virker med delisting, skal man skrive til Investigation@review.symantec.com
https://support.symantec.com/en_US/article.TECH82881.html
https://www.symantec.com/connect/forums/ip-removal-symantec-blacklist-snow-shoe-spamming
https://www.symantec.com/connect/forums/ip-poornegative-reputation-due-snow-shoe-spamming-techniques