Don't change internal state when opening a box until the command is actually sent

lib/imap.js

@@ -657,7 +657,7 @@ ImapConnection.prototype.openBox = function(name, readOnly, cb) {
     cb = readOnly;
     readOnly = false;
   }
-  this._state.status = STATES.BOXSELECTING;
+
   this._state.box.name = name;
 
   this._send((readOnly ? 'EXAMINE' : 'SELECT') + ' "' + utils.escape(name)
@@ -1294,6 +1294,10 @@ ImapConnection.prototype._send = function(cmdstr, cb, bypass) {
     this._state.conn.cleartext.write(cmd);
     this._state.conn.cleartext.write(CRLF);
     this.debug&&this.debug('\n==> ' + prefix + cmd + '\n');
+    if (this._state.requests[0]
+        && (this._state.requests[0].cmd === 'EXAMINE'
+            || this._state.requests[0].cmd === 'SELECT'))
+      this._state.status = STATES.BOXSELECTING;
   }
 };