How do I get emails when someone comments on my question?
99592
Email subscription to a given question answers *and* comments?
105317
How can I search for specific comments?
45059
SMS/text message notifications on answers to your question
155759
Is someone misusing my email to post on SE?
26778
Email verification for new users
139516
User profile comments
153659
Not getting email alerts on answers on Stack Overflow
105348
What's the best way to invite a user to answer a question on Stack Overflow?
144201
Can I place  in a comment?
9917
Reputation for comments?
23614
A method for the OP to accept comments?
151500
What happened to the idea of getting inbox notifications for favorited questions?
10812
Send authors an inbox message if their question is closed
146401
How does SO get the related questions when I ask question?
76553
Does using @user in a question or answer send an inbox-notification to that user?
121862
How do I comment on Mark Zuckerberg's posts?
1419
How do comment @replies work?