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!
- Execute the command below:
postmap /opt/zimbra/conf/relay_password
- Execute the following command to change the relay host and the number of the port
zmprov ms `zmhostname` zimbraMtaRelayHost pro.turbo-smtp.com:587
- 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
- Create a postfix Look-Up table as follows:
postmap /opt/zimbra/conf/relay_password
- 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
- 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
- Authorize the TLS and the Plaintext Authentication
zmprov ms `zmhostname` zimbraMtaSmtpSaslSecurityOptions noanonymous
zmprov ms `zmhostname` zimbraMtaSmtpSaslSecurityOptions noanonymous