- user1 and user2 have a direct message conversation.
- user2 blocks user1.
- user1 blocks user2 and deletes the DM conversation.
- user1 unblocks user2
- user2 unblocks user1
- user2 follows user1
- user1 does not follow user2
- user2 has a private account
- user1 has a public account
- user1 twitter security option: receive message from anyone is not checked
Can user2 direct message user1?