- $aMailbox = sqm_api_mailbox_select($imap_stream, $iAccount, $mailbox,array('setindex' => $what, 'offset' => $startMessage),array());
- switch($action) {
- case 'reply':
- case 'reply_all':
- // check if we are allowed to set the \\Answered flag
- if (in_array('\\answered',$aMailbox['PERMANENTFLAGS'], true)) {
- $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '\\Answered', true, false);
- if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
- /**
- * Only update the cached headers if the header is
- * cached.
- */
- if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
- $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
+ // select errors here could be due to a draft reply being sent
+ // after the original message's mailbox is moved or deleted
+ $aMailbox = sqm_api_mailbox_select($imap_stream, $iAccount, $mailbox,array('setindex' => $what, 'offset' => $startMessage),array(), false);
+ // a non-empty return from above means we can proceed
+ if (!empty($aMailbox)) {
+ switch($action) {
+ case 'reply':
+ case 'reply_all':
+ // check if we are allowed to set the \\Answered flag
+ if (in_array('\\answered',$aMailbox['PERMANENTFLAGS'], true)) {
+ $aUpdatedMsgs = sqimap_toggle_flag($imap_stream, array($passed_id), '\\Answered', true, false);
+ if (isset($aUpdatedMsgs[$passed_id]['FLAGS'])) {
+ /**
+ * Only update the cached headers if the header is
+ * cached.
+ */
+ if (isset($aMailbox['MSG_HEADERS'][$passed_id])) {
+ $aMailbox['MSG_HEADERS'][$passed_id]['FLAGS'] = $aMsg['FLAGS'];
+ }