Translations:Email bounce tracking system/8/en
From LimeSurvey Manual
If you don't have php5-imap installed and you have root access to the server, you can install it following the procedure specific to your distribution. For example, check this link if you use Debian. Just remember to restart your web server once it is installed (e.g. run "apache/usr/sbin/apache2ctl restart" in terminal).