Remove text where need using the following file in postalMTA.
For SMTP Server:
lib/postal/smtp_server/client.rb
@receiving_headers = true
received_header_content = "from #{@helo_name} (#{@hostname} [#{@ip_address}]) by #{Postal.config.dns.smtp_server_hostname} with SMTP;
For HTTP:
app/models/outgoing_message_prototype.rb
mail.header['Received'] = "from #{@source_type} (#{self.resolved_hostname} [#{@ip}]) by Postal with HTTP; #{Time.now.utc.rfc2822.to_s}"
mail.message_id = "<#{@message_id}>"
Step-1: Hostname Setup
sudo hostname postal.example.com
Step-2: Docker
sudo apt-get update
sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
gnupg \
lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo \
"deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker-compose --version
Step-3: System utilties
apt install git curl jq
Step-4: Git & installation helper repository
git clone https://postalserver.io/start/install /opt/postal/install
sudo ln -s /opt/postal/install/bin/postal /usr/bin/postal
Step-5: MariaDB
docker run -d \
--name postal-mariadb \
-p 127.0.0.1:3306:3306 \
--restart always \
-e MARIADB_DATABASE=postal \
-e MARIADB_ROOT_PASSWORD=postal \
mariadb
Step-6: RabbitMQ
docker run -d \
--name postal-rabbitmq \
-p 127.0.0.1:5672:5672 \
--restart always \
-e RABBITMQ_DEFAULT_USER=postal \
-e RABBITMQ_DEFAULT_PASS=postal \
-e RABBITMQ_DEFAULT_VHOST=postal \
rabbitmq:3.8
Step-7: Installation postal
postal bootstrap mailer.justnutritive2.com
Step-8: DB Config and Permission (This is optional if you use step-5)
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
GRANT ALL ON postal.* TO 'postal'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;
Exit;
sudo nano /opt/postal/config/postal.yml
Step-9: DB initialise
postal initialize
postal make-user
Step-10: Postal Running
postal start
Step-11: Installing WEB Client
docker run -d \
--name postal-caddy \
--restart always \
--network host \
-v /opt/postal/config/Caddyfile:/etc/caddy/Caddyfile \
-v /opt/postal/caddy-data:/data \
caddy
Step-12: STPM Configure
https://postal.justnutritive2.com
-----------------------------------------
Postal Login Credentials
-----------------------------------------
Mr X.
https://postal.example.com/settings
Username: alexise@example.com
Password: **********
====================================================
docker run -d \
--name postal-caddy \
--restart always \
--network host \
-v /opt/postal/config/Caddyfile:/etc/caddy/Caddyfile \
-v /home/postal/public_html/caddy-data:/data \
caddy
sudo /etc/init.d/apache2 start
sudo /etc/init.d/apache2 stop
----------------------------
Postal stop
Postal start
