Saving messages to a mailboxes

Hi guys. I started to use mutt because i become a fan of vim. And it's awesome to use my favorite text editor for composing and asnwering emails. Im still newb in mutt. And have a question about it's usage. I have inbox folder, which is recieves any new email. Then if i read messages, they a

Autocheck mail and beep

Hello, I'm new in mutt. But please help. I like to write letter from my VIM. I configured mutt to work with my emalil wia POPs protocol and it gets mail well. But i tired to read manuals and google for this. but i want to autocheck my email and beep for new. This is what i write in my config