onpoint on Nostr: I'm super green here. I see you message but no reply button and don't know how to DM ...

I'm super green here. I see you message but no reply button and don't know how to DM here. Are you guys not using Alby because need email and using private key diif way? Sorry to bother you, I will just search online for ways unless you have link for info, etc. I'm using nostter client right now.