Postfix smart host smtp relay

Using Postfix doesn’t mean you can’t also choose Turbo SMTP as your Smart host smtp relay. Actually, a Smart host relay will help to improve your email deliverability! Here’s how to set up Turbo SMTP as a relay Smart host when you’re using Postfix.

Postfix Smart host smtp relay configuration

To update the Postfix configuration and use turboSMTP as a smart host relay service, follow these instructions:

1. Open the Postfix configuration file that is /etc/postfix/main.cf and paste the code below:

   smtp_sasl_auth_enable = yes
   smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
   smtp_sasl_security_options = noanonymous
   smtp_sasl_tls_security_options = noanonymous
   smtp_tls_security_level = encrypt
   header_size_limit = 4096000
   relayhost = [pro.turbo-smtp.com]:587

2. In the file /etc/postfix/sasl_passwd (that you may need to create from scratch) type these credentials:

   [pro.turbo-smtp.com]:587 yourturboSMTPUsername:yourturboSMTPPassword

3. Update Postfix hashtables by using the postmap command

   $ sudo chmod 600 /etc/postfix/sasl_passwd
   $ sudo postmap /etc/postfix/sasl_passwd

4. Restart Postfix

   $ sudo systemctl restart postfix

5. Now you can install the missing module dependency through a yum or a an apt-get:

   $ apt-get install libsasl2-modules

   $ yum install cyrus-sasl-plain

If you want to see the effects of a smart host relay service try our turboSMTP

Every company needs a smart host relay both for external and internal communication. A smart host smtp relay guarantees better deliverability and reputation, protects your domain (no one can pretend to be you or a member of your company) and lets you to track your emails and your users’ actions.

        GET IT FREE        

Learn more about our Smart Host Relay Service