Zimbra smtp smart host relay

To set turboSMTP as your smtp smart host relay to send outgoing emails if you are using Zimbra (version 8 or later), please follow these instructions. It’s an easy procedure that will allow you to improve both your delivery rate and your domain security!

1. Execute the command below:

   postmap /opt/zimbra/conf/relay_password

2. Execute the following command to change the relay host and the number of the port

   zmprov ms `zmhostname` zimbraMtaRelayHost pro.turbo-smtp.com:587

3. Set up your credentials by creating a text file like the one below. Replace USERNAME and PASSWORD with your turboSMTP username and password respectevely

   echo pro.turbo-smtp.com USERNAME:PASSWORD > /opt/zimbra/conf/relay_password

4. Create a postfix Look-Up table as follows:

   postmap /opt/zimbra/conf/relay_password

5. To check that the table has been created correctly, please start the command below. It should return USERNAME:PASSWORD

   postmap -q pro.turbo-smtp.com /opt/zimbra/conf/relay_password

6. Configure postfix to use the new password map, the SSL authentication and the outgoing server name by starting the three commands below:

   zmprov ms `zmhostname` zimbraMtaSmtpSaslPasswordMaps lmdb:/opt/zimbra/conf/relay_password

   zmprov ms `zmhostname` zimbraMtaSmtpSaslAuthEnable yes

   zmprov ms `zmhostname` zimbraMtaSmtpCnameOverridesServername no

7. Authorize the TLS and the Plaintext Authentication

   zmprov ms `zmhostname` zimbraMtaSmtpSaslSecurityOptions noanonymous

   zmprov ms `zmhostname` zimbraMtaSmtpSaslSecurityOptions noanonymous

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

Every company needs a smart host smtp relay both for external and internal communication. A smart host 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.

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