Exclude mails from specific Inbox in "Inbox" view

Is it possible to exclude a specific mailbox from the "Inbox" view in Mail.app?

I got 3 mailboxes in mail.app, 2 of them are mail accounts for normal mail communication, 1 is used for receiving mails from senders which sometimes send to much mail (newsletters etc.). The problem that occurs is that all the newsletter mails show up in the "Inbox" view preventing me to see the mails from the other mailboxes.

Solution 1:

Update - Mail has a filter option to the right of the 'sort by' at the top of the email column where you can choose which mailboxes, or to only show unread, etc.

Solution 2:

In Mail preferences, you can choose Accounts in the preferences toolbar, select the email account associated with the newsletters, choose the Advanced tab, and uncheck the "Enable this account" checkbox. You will need to save the changes in order for this to take effect.

I tested this in Mail on Lion with one of my three mail accounts. Mail removed the account from its mailboxes list; the messages were gone from the unified Inbox, but the account settings remained and I was able to bring the account back just by checking "Enable this account" again.