remove SSMTP and update README

Author: deminy

Dockerfile

@@ -311,11 +311,9 @@ RUN mkdir /php && \
 COPY php.ini /etc/php/apache2-php5.2/
 COPY php.ini /etc/php/cli-php5.2/
 
-# Enable mailing via ssmtp
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends ssmtp && \
-	apt-get clean && \
-	rm -r /var/lib/apt/lists/*
+RUN \
+    apt-get clean              && \
+    rm -r /var/lib/apt/lists/*
 
 EXPOSE 80
 

README.md

@@ -1,19 +1,14 @@
 # Docker image for php 5.2 legacy projects
+
 This docker image is intended to work as a replacement for old legacy projects, running on old server.
-The features are
-* Based on Ubuntu 12.04
-* Apache MPM Prefork
-* PHP 5.2.17 as apache mod
-* Zend Optimizer
 
-NOTE: To enable mailing, you need to configure ssmtp. This can be done by adding a file `ADD ssmtp.conf /etc/ssmtp/` containing a config like this
-```
-# See https://linux.die.net/man/5/ssmtp.conf
-Mailhub=<Server>
-AuthUser=<User>
-AuthPass=<Pass>
-Hostname=<Senders Host>
-FromLineOverride=YES
-UseTLS=YES
-UseSTARTTLS=YES
-```
+Features:
+* Features included from the [original repository](https://github.com/kuborgh/docker-php-5.2):
+    * Based on Ubuntu 12.04
+    * Apache MPM Prefork
+    * PHP 5.2.17 as apache mod
+    * Zend Optimizer
+* Features added by Demin
+    * Enable PHP on the default site.
+    * Allow [short open tag](http://php.net/manual/en/ini.core.php#ini.short-open-tag).
+    * Various updates and fixes.