Galaxy S7 Spam Address/Domain List

[chrys7]

the Samsung S7 has a built in anti spam feature that moves emails to a spam or unwanted folder. There is apparently a block list containing emails or domains that have been set to be detected as spam and email from those people are routed out of the inbox and into the Samsung spam or unwanted folder. It is causing a real problem for us. Most forums describe how to remove the names from the block list but we are not sure how they are getting in there and would just like to disable the built in antispam feature. Do you have any experience with this? We first noticed it with the S6 but the S7 takes it to a new level. It is moving a lot of email to the spam folder. Anything on this? I’m stumped.