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-# Setup Remote SMTP Server for OpenPanel
-
-To set up a remote SMTP server for all emails sent from OpenPanel user websites, follow these steps:
-
-## Whitelist the Remote SMTP Server
-
-On the server with OpenPanel installed, ensure that the IP address of the remote SMTP server is whitelisted on [firewall](/docs/admin/security/firewall/).
-
-Similarly, on the remote SMTP server, make sure to whitelist the IP address of the OpenPanel server.
-
-
-## Configure SMTP per User
-
-For each user, SMTP settings are configured via the `/etc/msmtprc` file. An example file content is shown below:
-
-```
-# /etc/msmtprc
-defaults
-auth       off
-tls        off
-logfile    /var/log/msmtp.log
-
-account    default
-host       openadmin_mailserver
-port       25
-from       USERNAME@HOSTNAME
-```
-
-[Login as root for that user](https://dev.openpanel.com/cli/commands.html#Login-as-User) and edit the file. In this file, set the email address and server to be used for all outgoing emails. 
-
-For example, you can configure Gmail SMTP settings as shown in the [Arch Linux Wiki](https://wiki.archlinux.org/title/Msmtp).
-
-Example configuration for Gmail:
-
-```bash
-# Set defaults.
-defaults
-
-# Enable or disable TLS/SSL encryption.
-auth on
-tls on
-tls_certcheck off
-
-# Set up a default account's settings.
-account gmail
-logfile /var/log/msmtp.log
-host "smtp.gmail.com"
-port 587
-user email_account_here@gmail.com
-password "password_here"
-from "email_account_here@gmail.com"
-
-# Set default account
-account default: gmail
-```
-
-Example configuration for OpenPanel MailServer using a specific email account:
-
-```bash
-# Set defaults.
-defaults
-
-# Enable or disable TLS/SSL encryption.
-#auth on
-tls off
-tls_certcheck off
-#auth plain
-
-# Set up a default account's settings.
-account USERNAME
-logfile /home/USERNAME/msmtp.log
-host openadmin_mailserver
-port 25
-user "email_account_here@example.com"
-password "password_here"
-from "email_account_here@example.com"
-
-# Set default account
-account default: USERNAME
-```
-
-
-
-After saving the configuration, test sending emails from a PHP website like WordPress or directly from the terminal: [Simple PHP Mail test](https://conetix.com.au/support/simple-php-mail-test/)
-
-## Configure SMTP for all existing users
-
-Create a new file on the server, and in it copy the [default /etc/msmtprc file](https://github.com/stefanpejcic/OpenPanel/blob/main/docker/apache/email/msmtprc).
-
-In the file set your remote SMTP server address and optionally logins.
-
-When finished, run the bellow command to copy the file to each OpenPanel user:
-
-```bash
-  for user in $(opencli user-list --json | grep -v 'SUSPENDED' | awk -F'"' '/username/ {print $4}'); do
-    echo "Processing user: $user"
-    docker cp filename $user:/etc/msmtp
-  done
-```
-
-
-## Configure SMTP automatically for new users
-
-To automatically have all users pre-configured to use your remote SMTP server, [build a docker image](/docs/articles/docker/building_a_docker_image_example_include_php_ioncubeloader/) that has your custom [/etc/msmtprc](https://github.com/stefanpejcic/OpenPanel/blob/main/docker/apache/email/msmtprc) file.