Learn how to use an external SMTP server in Workflow. This server can be managed by yourself or an email service provider.

1. Click the Settings tab of Workflow, and then click Login & SMTP Credentials.
2. Specify the information of the SMTP server in the External SMTP section.

   The following table provides the description of each field:

   Field	Required or optional	Description
   SMTP Server Name	Required	Host name of the external SMTP server. Note that Zuora enables the external SMTP server for Workflow only if this field is specified.
   SMTP Port	Required	The port that Zuora uses to connect to the external SMTP server.
   SMTP Username	Required only if the SMTP Authentication checkbox is selected	The username for the external SMTP server.
   SMTP Password	Required only if the SMTP Authentication checkbox is selected	The password for the external SMTP server.
   SMTP Authentication	Optional	Indicate whether to enable authentication when communicating with the external SMTP server.
   Enable StartTLS	Optional	Indicate whether to enable a secure connection with the external SMTP server by using TLS or SSL.

3. Click Update .