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SMTP Email Setup

In some product evaluation setups email is intentionally bypassed using a ByPassEmail=true option. This option allows account creation and system operation without having to set up an email service (e.g. no email verification is required for account creation). This also means neither email notifications nor password reset by email are available.

To enable email, turn this option off by setting ByPassEmail=false and configuring an SMTP email service as follows:

  1. Set up an SMTP email sending service. (If you already have credentials for a SMTP server you can skip this step.)
    1. Setup Amazon Simple Email Service
    2. From the SMTP Settings menu click Create My SMTP Credentials
    3. Copy the Server Name, Port, SMTP Username, and SMTP Password
    4. From the Domains menu setup and verify a new domain. It it also a good practice to enable Generate DKIM Settings for this domain.
    5. Choose an email address like [email protected] for Mattermost to send emails from.
    6. Test sending an email from [email protected] by clicking the Send a Test Email button and verify everything appears to be working correctly.
  2. Modify the Mattermost configuration file config.json or config_docker.json with the SMTP information.
    1. If you're running Mattermost on Amazon Beanstalk you can shell into the instance with the following commands
    2. ssh ec2-user@[domain for the docker instance]
    3. sudo gpasswd -a ec2-user docker
    4. Retrieve the name of the container with sudo docker ps
    5. sudo docker exec -ti container_name /bin/bash
  3. Edit the config file vi /config_docker.json with the settings you captured from the step above.
    1. See an example below and notice ByPassEmail has been set to false
    "EmailSettings": { 
	"ByPassEmail" : false, 
	"SMTPUsername": "AKIADTOVBGERKLCBV", 
	"SMTPPassword": "jcuS8PuvcpGhpgHhlcpT1Mx42pnqMxQY", 
	"SMTPServer": "email-smtp.us-east-1.amazonaws.com:465", 
	"UseTLS": true, 
	"FeedbackEmail": "[email protected]", 
	"FeedbackName": "Feedback", 
	"ApplePushServer": "", 
	"ApplePushCertPublic": "", 
	"ApplePushCertPrivate": ""
}
  4. Restart Mattermost
    1. Find the process id with ps -A and look for the process named platform
    2. Kill the process kill pid
    3. The service should restart automatically. Verify the Mattermost service is running with ps -A
    4. Current logged in users will not be affected, but upon logging out or session expiration users will be required to verify their email address.