Protocol | Port Number | Notes |
SMTP | 25 | This is the port number assigned to SMTP and used for mail server relay. Note that most Internet service providers (ISPs) block this port to curb the amount of spam they receive. |
TLS (Transport Layer Security) | 587 | This is the default port number that Sheriff CSM uses to send outgoing messages. The connection is encrypted by executing the STARTTLS command. |
smtp_sasl_auth_enable = yesThis means Sheriff CSM enables Simple Authentication and Security Layer (SASL) authentication for SMTP, denying anonymous authentication.
smtp_sasl_security_options = noanonymous
smtp_sasl_tls_security_options = noanonymous</span>
Login to the Sheriff CSM web UI, and then go to Configuration > Deployment.
Under Sheriff Components Information, click the icon of the system you want to change.
In the General Configuration form, select Yes for Mail Server Relay.
This expands the form to disclose new fields.
Type the Server IP, the username and password used for the mail server, and the port number in the respective fields.
Note: The Server IP field accepts valid IP addresses or server names.
Note: If your Office 365 admin has set up two-step verification for your organization, you may need to create an app password allowing Sheriff CSM to access your Office 365 account.
Important: Before continuing, follow the steps in How to Configure a Relay Connector in Exchange Server 2013 to allow SMTP relay through the Frontend Transport service.
Click Apply Changes .