diff --git a/docker-compose.yml b/docker-compose.yml
index ec0f768a..aecd5913 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -109,6 +109,7 @@ services:
           - INSTALL_MYSQL_CLIENT=${WORKSPACE_INSTALL_MYSQL_CLIENT}
           - INSTALL_PING=${WORKSPACE_INSTALL_PING}
           - INSTALL_SSHPASS=${WORKSPACE_INSTALL_SSHPASS}
+          - INSTALL_MAILPARSE=${WORKSPACE_INSTALL_MAILPARSE}
           - PUID=${WORKSPACE_PUID}
           - PGID=${WORKSPACE_PGID}
           - CHROME_DRIVER_VERSION=${WORKSPACE_CHROME_DRIVER_VERSION}
@@ -187,6 +188,7 @@ services:
           - INSTALL_MYSQL_CLIENT=${PHP_FPM_INSTALL_MYSQL_CLIENT}
           - INSTALL_PING=${PHP_FPM_INSTALL_PING}
           - INSTALL_SSHPASS=${PHP_FPM_INSTALL_SSHPASS}
+          - INSTALL_MAILPARSE=${PHP_FPM_INSTALL_MAILPARSE}
           - INSTALL_PCNTL=${PHP_FPM_INSTALL_PCNTL}
           - ADDITIONAL_LOCALES=${PHP_FPM_ADDITIONAL_LOCALES}
           - INSTALL_FFMPEG=${PHP_FPM_FFMPEG}
diff --git a/env-example b/env-example
index ad5a4e1a..90316a1c 100644
--- a/env-example
+++ b/env-example
@@ -138,6 +138,7 @@ WORKSPACE_INSTALL_PING=false
 WORKSPACE_INSTALL_SSHPASS=false
 WORKSPACE_INSTALL_INOTIFY=false
 WORKSPACE_INSTALL_FSWATCH=false
+WORKSPACE_INSTALL_MAILPARSE=false
 WORKSPACE_PUID=1000
 WORKSPACE_PGID=1000
 WORKSPACE_CHROME_DRIVER_VERSION=2.42
@@ -190,6 +191,7 @@ PHP_FPM_INSTALL_ADDITIONAL_LOCALES=false
 PHP_FPM_INSTALL_MYSQL_CLIENT=false
 PHP_FPM_INSTALL_PING=false
 PHP_FPM_INSTALL_SSHPASS=false
+PHP_FPM_INSTALL_MAILPARSE=false
 PHP_FPM_FFMPEG=false
 PHP_FPM_ADDITIONAL_LOCALES="es_ES.UTF-8 fr_FR.UTF-8"
 
diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index 99a7beb4..faa0d594 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -726,6 +726,19 @@ RUN if [ ${INSTALL_FFMPEG} = true ]; then \
     apt-get -y install ffmpeg \
 ;fi
 
+###########################################################################
+# Mailparse extension:
+###########################################################################
+
+ARG INSTALL_MAILPARSE=false
+
+RUN if [ ${INSTALL_MAILPARSE} = true ]; then \
+    # Install mailparse extension
+    printf "\n" | pecl install -o -f mailparse \
+    &&  rm -rf /tmp/pear \
+    &&  docker-php-ext-enable mailparse \
+;fi
+
 ###########################################################################
 # Check PHP version:
 ###########################################################################
diff --git a/workspace/Dockerfile b/workspace/Dockerfile
index 0fd26b62..f982ae1e 100644
--- a/workspace/Dockerfile
+++ b/workspace/Dockerfile
@@ -1087,6 +1087,16 @@ RUN if [ ${INSTALL_FFMPEG} = true ]; then \
   apt-get -y install ffmpeg \
 ;fi
 
+###########################################################################
+# Mailparse extension:
+###########################################################################
+
+ARG INSTALL_MAILPARSE=false
+
+RUN if [ ${INSTALL_MAILPARSE} = true ]; then \
+    apt-get install -yqq php-mailparse \
+;fi
+
 ###########################################################################
 # GNU Parallel:
 ###########################################################################