The following information can be used to help you configure other mail clients. If you encounter difficulties, please contact your mail application or device manufacturer’s customer support for further instructions. We are unable to provide assistance for mail clients we do not already have instructions for in Client & Device Setup.
Port: 110 (TLS optional) or 995 (SSL required)
Port: 143 (TLS optional) or 993 (SSL required)
Use Authentication: Yes, Password Authentication
Note: Secure Password Authentication (SPA) is not the same thing as outgoing SMTP authentication, and should not be enabled in your mail client.