This guide will walk you through the process of setting up JetEmail as a smarthost in Webuzo. By integrating JetEmail’s advanced features, you’ll enhance your email performance, improve deliverability, and benefit from robust security and streamlined email management.

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Setting up Webuzo

1

Access Exim Configuration

  1. Log in to Webuzo Admin Panel
  2. Navigate to Email > Mail Settings
  3. Select the “custom code” option from the Exim Configuration Manager
2

Edit Authenticators Configuration

Add the following code to the authenticators section:
jetemail_login:
  driver = plaintext
  public_name = LOGIN
  # specify your JetEmail SMTP username and password below
  client_send = : Your_JetEmail_Username : Your_JetEmail_Password
Replace Your_JetEmail_Username and Your_JetEmail_Password with your actual JetEmail SMTP user credentials.
3

Edit Routers Configuration

Add the following code to the routers section:
send_via_jetemail:
  driver = manualroute
  domains = ! +local_domains
  ignore_target_hosts = 127.0.0.0/8
  transport = jetemail_smtp
  route_list = * relay.jetsmtp.net::25 randomize byname
  no_more
4

Edit Transport Configuration

Add the following code to the transport section:
jetemail_smtp:
  driver = smtp
  hosts_require_auth = *
  tls_tempfail_tryclear = true
  headers_add = X-AuthUser: $authenticated_id
  hosts_try_chunking =
  hosts_try_fastopen =
  dkim_domain = ${lc:${domain:$h_from:}}
  dkim_selector = default
  dkim_private_key = /var/webuzo-data/mail/dkim/private/${perl{untaint}{${dkim_domain}}}
DKIM Selector Note: If your Webuzo installation was completed prior to February 3, 2025, change dkim_selector = default to dkim_selector = x in the configuration above.
5

Restart Services

After making these changes:
  1. Save all configuration files
  2. Restart the Exim service
6

Test Configuration

Send a test email to ensure the new configuration is working correctly.

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Troubleshooting

If you encounter any issues:
  1. Double-check your SMTP credentials
  2. Verify that port 25 is open in your firewall
  3. Check the Exim logs for any error messages
  4. Ensure your account is active and in good standing
For further assistance, contact support.