Unblock Someone On Twitter -

The person will be able to send you Direct Messages again (depending on your DM settings).

Twitter does not send a notification when you block or unblock someone. They will not get an alert saying, "User X has unblocked you." However, if they check your profile and see they can now follow you, they will figure it out. unblock someone on twitter

Blocking someone on Twitter removes their ability to follow you, reply to your tweets, or send you direct messages. When you’re ready to reverse that, unblocking is simple. Note that —you will need to send a new follow request if their account is private. The person will be able to send you