diff --git a/Dockerfile b/Dockerfile
index ff1f1c9b..6282e358 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,13 +13,14 @@ RUN apt-get update
 RUN apt-get -y upgrade
 
 # Install apache, PHP, and supplimentary programs. curl and lynx-cur are for debugging the container.
-RUN DEBIAN_FRONTEND=noninteractive apt-get -y install apache2 libapache2-mod-php5 php5-mysql php5-gd php-pear php-apc php5-curl
+RUN DEBIAN_FRONTEND=noninteractive apt-get -y install apache2 libapache2-mod-php5 php5-mysql php5-gd php-pear php-apc php5-curl php5-imap
 
 # Enable apache mods.
 #RUN php5enmod openssl
 RUN a2enmod php5
 RUN a2enmod rewrite
 RUN a2enmod headers
+RUN php5enmod imap
 
 # Update the PHP.ini file, enable <? ?> tags and quieten logging.
 # RUN sed -i "s/short_open_tag = Off/short_open_tag = On/" /etc/php5/apache2/php.ini