~/.muttrc: Add more mailboxes and alternates.

.muttrc

@@ -8,9 +8,16 @@ set postponed="+postponed"
set record="+lu/INBOX.Sent"
set sleep_time = 0 # faster mailbox switching
mailboxes ! +lu/INBOX.Sent +lu/INBOX.Drafts
mailboxes +htwk/INBOX
mailboxes +htwk.imn/INBOX
mailboxes +lu/lu \
          +lu.sprd/lu.sprd \
          +htwk/htwk \
          +htwk.imn/htwk.imn \
          +temporary/search
alternates lu@papill0n.org \
           work-with-lu@papill0n.org \
           lstadler@imn.htwk-leipzig.de \
           lucas.stadler@stud.htwk-leipzig.de
set edit_headers=yes