msmtprc was missing. updated msmtprc

Dockerfile

@@ -9,7 +9,8 @@ COPY docker/pecl_install /usr/local/bin/pecl_install
 
 # Tune PHP
 RUN sed -e 's/^expose_php = On/expose_php = Off/' /usr/local/etc/php/php.ini-production > /usr/local/etc/php/php.ini
-RUN sed -i -e 's#^;sendmail_path =#sendmail_path = "/usr/bin/msmtp -t"#' -e 's#^memory_limit = 128M#memory_limit = 256M#' /usr/local/etc/php/php.ini
+RUN sed -i -e 's#^;sendmail_path =#sendmail_path = "/usr/bin/msmtp -t"#' /usr/local/etc/php/php.ini
+RUN sed -i -e 's#^memory_limit = 128M#memory_limit = 256M#' /usr/local/etc/php/php.ini
 RUN adduser -g "Hosting Admin User" -u 1000 -G www-data -h /var/www/html -HD lamp
 
 # Base
@@ -38,6 +39,7 @@ RUN apk add --no-cache libjpeg libgd libpng freetype freetype-dev zlib-dev libpn
 RUN curl -4 https://getcomposer.org/installer|php -- --install-dir=/usr/local/bin --filename=composer
 ENV COMPOSER_HOME=/var/cache/composer
 
+COPY msmtprc /etc/
 COPY docker/www.conf /usr/local/etc/php-fpm.d/
 COPY docker/nginx-app.conf /etc/nginx/http.d/default.conf
 

msmtprc

@@ -1,18 +1,26 @@
 # A system wide configuration file is optional.
+defaults
+port 25
+tls off
+
 # If it exists, it usually defines a default account.
 # This allows msmtp to be used like /usr/sbin/sendmail.
 account default
 
+# Authentication
+auth off
+
 # The SMTP smarthost
 host smtp
 
 # Envelope-from address
-#from user@example.com
-domain example.com
+from wordpress@%H
+
+# Sets the argument of the SMTP EHLO
+domain wordpress
 
 # Construct envelope-from addresses of the form "user@oursite.example"
-#auto_from on
-#maildomain example.com
+#allow_from_override on
 
 # Syslog logging with facility LOG_MAIL instead of the default LOG_USER
 syslog LOG_MAIL