On this tab you can see an overview of your existing newsletters. 
In this list you can see also
- the used template
- the cats to which the newsletter was sent
- the number of attachments of this newsletter
- the account used for sending
- E-mail for testing newsletter
- the last status in your protocols
Possible actions for a newsletter are
edit
clone
delete
show preview
send test to defined test email address
send to all subscribers of this cat
resend newsletter only to subscribers, where last try to send failed
