Describe how to add e-mail support

TrafeX · Aug 27, 2023 · 58f3e7e · 58f3e7e
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diff --git a/README.md b/README.md
@@ -62,4 +62,5 @@ To modify this container to your specific needs please see the following example
 
 * [Adding xdebug support](docs/xdebug-support.md)
 * [Adding composer](docs/composer-support.md)
-* [Getting the real IP of the client behind a load balancer](docs/real-ip-behind-loadbalancer.md)
+* [Getting the real IP of the client behind a load balancer](docs/real-ip-behind-loadbalancer.md)
+* [Sending e-mails](docs/sending-emails.md)
diff --git a/docs/sending-emails.md b/docs/sending-emails.md
@@ -0,0 +1,16 @@
+# Sending e-mails
+To be able to use the `mail()` function in PHP you need to install a MTA (Mail Transfer Agent) in the container.
+
+The most simple approach is to install `ssmtp`.
+
+The `ssmtp.conf` file needs to be created based on the [documentation online](https://wiki.archlinux.org/title/SSMTP).
+
+```Dockerfile
+FROM trafex/php-nginx:latest
+
+# Install ssmtp
+RUN apk add --no-cache ssmtp
+
+# Add configuration
+COPY ssmtp.conf /etc/ssmtp/ssmtp.conf
+```