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BUILD POSTAL SMTP SERVER & SEND BULK EMAILS STEP BY STEP ON UBUNTU 20.04

 
Best SMTP email services For Email Marketing
				
					Name     	Type	Value
@	         A	    1.2.3.4
mail	     A	    1.2.3.4
rp.mail	     A	    1.2.3.4
track.mail 	 A	    1.2.3.4
psrp.mail   Cname	rp.mail.yoursite.com
mail	         MX	mail.yoursite.com ; 10
routes.mail MX	mail.yoursite.com ; 10
rp.mail  	MX	mail.yoursite.com ; 10
mail	    TXT	v=spf1 a mx include:spf.mail.yoursite.com ~all
rp.mail	    TXT	v=spf1 a mx include:spf.mail.yoursite.com ~all
spf.mail	TXT	v=spf1 ip4:1.2.3.4 ~all
_dmarc.mail TXT	v=DMARC1; p=none; fo=1; rua=mailto:info@yourdomain.com; ruf=mailto:info@yourdomain.com
Enter the Command Code. 
				
					sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates curl software-properties-common -y
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
Next, enter all the codes 
				
					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
Then 
				
					sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
sudo curl -SL https://github.com/docker/compose/releases/download/v2.13.0/docker-compose-linux-x86_64 -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
apt install git
apt install git curl jq
git clone https://postalserver.io/start/install /opt/postal/install
sudo ln -s /opt/postal/install/bin/postal /usr/bin/postal
Install 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
Install 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
Configuration 
				
					postal bootstrap postal.yourdomain.com
nano /opt/postal/config/postal.yml
				
			
				
					  # The host that the management interface will be available on
  host: mail.edabosang.com
  # The protocol that requests to the management interface should happen on
  protocol: https
web_server:
  # Specify configuration for the Postal web server
  bind_address: 172.105.33.83
  port: 5000
smtp_server:
  # Specify configuration to the Postal SMTP server
  port: 25
logging:
  # Specify options for the logging
  stdout: true
main_db:
  # Specify the connection details for your MySQL database
  host: 127.0.0.1
  username: root
  password: postalpassword
  database: postal
message_db:
  # Specify the connection details for your MySQL server that will be house the
  # message databases for mail servers.
  host: 127.0.0.1
  username: root
  password: postalpassword
  prefix: postal
rabbitmq:
  # Specify connection details for your RabbitMQ server
  host: 127.0.0.1
  username: postal
  password: password
  vhost: postalvhost
dns:
  # Specify the DNS records that you have configured. Refer to the documentation at
  # https://github.com/atech/postal/wiki/Domains-&-DNS-Configuration for further
  # information about these.
  mx_records:
    - mail.edabosang.com
  smtp_server_hostname: mail.edabosang.com
  spf_include: spf.mail.edabosang.com
  return_path: rp.edabosang.com
  route_domain: routes.mail.edabosang.com
  track_domain: track.mail.edabosang.com
smtp:
  # Specify an SMTP server that can be used to send messages from the Postal management
  # system to users. You can configure this to use a Postal mail server once the
  # your installation has been set up.
  host: 127.0.0.1
  port: 2525
  username: # Complete when Postal is running and you can
  password: # generate the credentials within the interface.
  from_name: Postal
  from_address: postal@ivermectintbs.com
rails:
  # This is generated automatically by the config initialization. It should be a random
  # string unique to your installation.
  secret_key: b73a7e04571431c601d19a7688418eb395d059c1ada525dcfd337e978236be759e278367fb7c6773be625265d3d235ee98b4f8405957e4
postal initialize 
				
					postal initialize
postal make-user
postal start 
				
					postal start
Install Caddy 
				
					
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
Enjoy…
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