Is it possible to add an "ignore" option and block any user from commenting on our answers?
90954
Way for members to block specific community members from commenting/answering posts?
44513
disable comments if array exists
128353
How to flag comments as spam?
72236
How does Stack Exchange attempt to prevent low-quality questions and answers?
2290
Can we implement temporary automatic comment ban on 'x' number of validated rude comment flags?
129908
Allow flagging own comments
51569
Don't remove the @ part of my comment
82426
How to handle users who don't select answers for their questions?
50556
Force Accepted Answers on Questions by Inactive Users
137821
Unsubscribe from answered and old questions without having them closed?
44432
Allow anyone to comment but hide low-rep users' comments until reviewed
73482
Don't accept comments during review audit
114053
How do I remove default comment validation in drupal 7?
34339
Lower the amount of reputation needed to comment
23614
A method for the OP to accept comments?
5563
Asking users to accept answer when they comment that it answers their question
120358
Show the "add comment" link also to users who cannot add comments