let dovecot create folders on first login

tells dovecot to create standard folders on first login if they do not exist and which folder names are used for special purposes like archive, spam/junk, sent, etc.

conf/dovecot/dovecot.conf

@@ -65,13 +65,40 @@ protocol imap {
   mail_plugins = $mail_plugins imap_quota antispam
 }
 
-
 protocol lda {
   auth_socket_path = /var/run/dovecot/auth-master
   mail_plugins = quota sieve
   postmaster_address = postmaster@{{ main_domain }}
 }
 
+namespace inbox {
+  inbox = yes
+
+  mailbox Drafts {
+    special_use = \Drafts
+    auto = subscribe
+  }
+  mailbox Junk {
+    special_use = \Junk
+    auto = subscribe
+  }
+  mailbox Trash {
+    special_use = \Trash
+    auto = subscribe
+  }
+  mailbox Sent {
+    special_use = \Sent
+    auto = subscribe
+  }
+  mailbox "Sent Messages" {
+    special_use = \Sent
+  }
+  mailbox "Archive" {
+    special_use = \Archive
+    auto = subscribe
+  }
+}
+
 protocol sieve {
 }