How to create mail server in aws

Creating a mail server in AWS involves several steps, including setting up an Amazon Simple Email Service (SES) account, configuring a mail server software, and setting up DNS records. Here's a step-by-step guide to help you create a mail server in AWS:

Step 1: Create an Amazon SES account

  1. Log in to the AWS Management Console and navigate to the Amazon SES dashboard.
  2. Click on "Create an Amazon SES identity" and follow the prompts to create a new identity.
  3. Verify your email address by clicking on the verification link sent to your email address.

Step 2: Set up a mail server software

You can use a mail server software such as Postfix, Sendmail, or Amazon SES's built-in mail server. For this example, we'll use Postfix.

  1. Launch an Amazon EC2 instance with a supported operating system (e.g., Amazon Linux, Ubuntu, or RHEL).
  2. Install Postfix by running the following command: sudo yum install postfix (on Amazon Linux or RHEL) or sudo apt-get install postfix (on Ubuntu).
  3. Configure Postfix by editing the /etc/postfix/main.cf file. Set the mydestination parameter to the domain name you want to use for your mail server.

Step 3: Configure DNS records

You need to set up DNS records to route email traffic to your mail server. You can use Amazon Route 53 or another DNS service provider.

  1. Create a new DNS record set in your DNS service provider's dashboard.
  2. Set the record type to "MX" and the value to mail.yourdomain.com (replace yourdomain.com with your domain name).
  3. Create another DNS record set with the record type "A" and the value to the public IP address of your EC2 instance.

Step 4: Configure Amazon SES

  1. Go to the Amazon SES dashboard and click on "Email addresses" in the left-hand menu.
  2. Click on "Verify a new email address" and enter the email address you want to use for your mail server.
  3. Verify the email address by clicking on the verification link sent to your email address.

Step 5: Configure Postfix to use Amazon SES

  1. Edit the /etc/postfix/main.cf file and add the following lines:
    smtp_use_tls = yes
smtp_tls_security_level = encrypt
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
  2. Create a new file /etc/postfix/sasl_passwd and add the following lines:
    [smtp.gmail.com]
username=your_email_address
password=your_email_password

    Replace your_email_address and your_email_password with your Amazon SES email address and password.

Step 6: Restart Postfix

  1. Restart the Postfix service by running the following command: sudo service postfix restart

Step 7: Test your mail server

  1. Send an email from your mail server to an external email address to test if it's working correctly.
  2. Check the email logs to ensure that the email was sent successfully.

That's it! You now have a mail server set up in AWS using Postfix and Amazon SES.