Optimum Email's inbound server parameters include listed below: Server: optimum.net/mail, Port: 993 in total, Level of security: SSL or TLS encryption. The Optimum message's outbound server preferences are Server: optimum.net/mail, Port: 465, and Level of protection: SSL/TLS. The OptOnline Log-inLogin is a crucial requirement: Your OptOnline contact information must include the component before the @ symbol. Last but not least, ensure you've got your OptOnline Electronic id and password in addition to your log-in.