Bulk email

I’m trying to change the outgoing name on my email. I’ve changed it in my profile and I’ve seen the responses on other questions where you should go to Mail Option > General and change the From name. I don’t have a From name in my General options. Need assistance please…

I want to block somebody, and I want them to know that they are blocked from my email. As far as I know, yahoo doesn’t bounces back block emails. Is there a way to do this?

Help me block emails from a particular email address using yahoo. I know how to block but I want the sender/owner of that email address to receive an instant message back saying eg. “message cant be delivered”. I just want to block mails from just one particular email add out of my lot.. and the instant message back is of importance to me.

How can I change this?

I let a friend send an email. She changed something so that it was from her, not me. When I email someone now, it lists her as the sender instead of me.

How do I get emails from a specific email address, that get put in ‘Bulk’ to go straight into my inbox?

When I try to use the filters, I get a load of spam in my inbox, yet, the mail from the address I want STILL goes into bulk.

Is there a filter that can put emails in my inbox JUST from a specific email address?