Configure SMTP Servers to Send Email with an Outbound Mailbox


To send outbound emails to customers in, you need to configure an outbound mailbox. If you're using Gmail, this will be handled for you when you connect the Email Channel to a Gmail or Google Apps Mailbox. If you're using a different service to send your mail such as Google Apps, Yahoo, or Rackspace (often called an SMTP server), you need to configure an Outbound Mailbox in

Configure Outbound Email for for SMTP Servers​

  1. Go to AdminChannels > Email > Outbound Mailboxes+ Add Mailbox. Or you can edit your existing mailbox by clicking the gear symbol.

  1. In the Add New Outbound Mailbox dialog box, add your company's email details. Click the option at the bottom of the page to use your own server.

  1. Enter your Outbound Mailbox details in the Add New Outbound Mailbox dialogue box. If you are unsure about some of the settings, see the Standard Settings data provided below. Click 'Add' when you're done.


Setting Definitions:

  • From Name: Friendly name to display to the customer
  • From Email: Reply-to address
  • SMTP Host: Server that will send the email
  • SMTP Port: Port to connect to the email server
  • Use SSL: Encrypt the email when sent to the email server (usually a different port)
  • SMTP Auth: Method for authentication (almost always Login)
  • Username: Login is typically the full email address (Example:
  • Password: Password is typically the same as the password to retrieve the email.

Standard Settings

  • Default SMTP Port is 25. As a result of abuse, many ISPs have changed the port. Port 587 is now a common alternative.
  • ​If connecting to your SMTP server over SSL, the standard port is 465.


Common Providers


Google Apps

SMTPPORT: 587 (465 for SSL) 
USE SSL: Optional
SMTP Auth: Login


USE SSL: Checked
SMTP Auth: Login


USE SSL:  Checked
SMTP Auth:  Login


Advanced Configurations

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