- global $imapServerAddress, $imapPort, $imap_stream, $imapConnection,
- $UseSeparateImapConnection, $AllowSpamFilters, $filter_inbox_count;
-
- sqgetGlobalVar('username', $username, SQ_SESSION);
- sqgetGlobalVar('key', $key, SQ_COOKIE);
+ global $imapServerAddress, $imapPort, $imap_stream_options, $imap_stream,
+ $imapConnection, $UseSeparateImapConnection, $AllowSpamFilters,
+ $filter_inbox_count, $username;
+
+ // if there were filtering errors previously during
+ // this login session, we won't try again
+ //
+ // (errors that this plugin was able to catch or a "NO"
+ // response/failure from IMAP found in the current session,
+ // which could have resulted from an attempted filter copy
+ // (over quota), in which case execution halts before this
+ // plugin can catch the problem -- note, however, that any
+ // other IMAP "NO" failure (caused by unrelated actions) at
+ // any time during the current session will cause this plugin
+ // to effectively shut down)
+ //
+ sqgetGlobalVar('filters_error', $filters_error, SQ_SESSION, FALSE);
+ sqgetGlobalVar('IMAP_FATAL_ERROR_TYPE', $imap_fatal_error, SQ_SESSION, '');
+ if ($filters_error || $imap_fatal_error == 'NO')
+ return;