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    Super User IV

    Using Amazon SES with a VPS / WHM

    By default the GoDaddy VPS Servers relay mail through GoDaddy's relay servers. You have a 5,000 email per day limit. As an alternative to that you can use Amazon's Simple Email Service (SES). Typically by default you can get 50,000 emails per day via Amazon SES. 

     

    As of May 2020 Amazon's relay rate is $0.10 per 1000 emails sent and $0.12 for each GB of attachments you send. Additionally Amazon offers multiple regions where you can relay through as well as the ability to have a dedicated IP address for your relay.

    * the number of relays is based on the number of recipients so 1 email send to 10 people or 10 emails each to 1 person are billed the same

    * when you send using this method your emails will show in certain mail clients like Google Mail as from youraddress@yourdomain.com via amazonses.com

     

    So the first thing would be to setup an Amazon AWS account (https://aws.amazon.com) and add the domains you will be hosting email for in the SES section. You will need to verify each domain you wish to send from from adding some TXT records in the DNS. Once you've done this you will need to request to take the account out of Sandbox mode.

    * Amazon does monitor for bounce a bounce rate as well as a compliant rate 

    * We expect our senders' bounce rates to remain below 5%. Senders with a bounce rate exceeding 10% risk a sending Pause.

    We expect our senders' complaint rates to remain below 0.1%. Senders with a complaint rate exceeding 0.5% risk a sending Pause. 

     

     In the Amazon SES console you will need to create / save your SMTP settings.

     

    Once that is all done we are ready to configure the mail server settings in WHM on the VPS. This setup assumes we will send all mail for all domains via Amazon SES

     

    We will now log into WHM on the VPS and go to the Exim Configuration Manager. Once there we want to select the Advanced Editor.

     

    Now we can search on the page for Section: PREROUTERS

    In the empty box for the PREROUTERS we will add the following

    send_via_ses:
    driver = manualroute
    domains = ! +local_domains
    transport = ses_smtp
    self = send
    route_list = * localhost

     

    Next we can search on the page for Section: TRANSPORTSTART

    In the empty box for the TRANSPORTSTART we will add the following

    ses_smtp:
    driver = smtp
    port = 2525
    hosts_require_auth = localhost
    hosts_avoid_tls = localhost

    * We will be setting up a secure tunnel to Amazon which is why we are using localhost

     

    Finally we can search on the page for Section: AUTH

    In the empty box for the AUTH we will add the following

    ses_login:
    driver = plaintext
    public_name = LOGIN
    client_send = : USERNAME : PASSWORD

    This is where we will enter the SMTP username and password we created in the Amazon SES Console.

     

    The last step we have is to configure the Secure Tunnel to Amazon. You will do this via the terminal in WHM

    Step 1) Install Stunnel

    yum install stunnel

    Step 2) Edit /etc/stunnel/stunnel.conf and add the following configuration

    [smtp-tls-wrapper]
    accept = 2525
    client = yes
    connect = email-smtp.us-east-1.amazonaws.com:465
    delay = yes
    sslVersion = TLSv1

    * This assumes you are using the Northern Virginia (East 1) Region - Your connect URL maybe different depending on which region you are using.

     

    Step 3) Start the Secure Tunnel and add a cron job to it to load when the server is rebooted.

    a) stunnel /etc/stunnel/stunnel.conf
    b) crontab -e
    c) @ReBoot stunnel /etc/stunnel/stunnel.conf

     

    Additional information / details can be found at 

    https://docs.aws.amazon.com/ses/latest/DeveloperGuide/send-email-exim.html

    https://docs.aws.amazon.com/ses/latest/DeveloperGuide/postfix.htm

    https://aws.amazon.com/ses/pricing/

     

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    2 REPLIES 2
    Employee

    Hello @PL281 and thank you for being apart of the Community!

     

    I apologize for the delayed response but found this quite educational.

     

    Great share 😁.

    GoDaddy Support is available 24/7!

    New

    Thank you for this @PL281!