Hello Team I have recently configured/installed postfix mail server with ubuntu-12-04 using below link https://www.digitalocean.com/community/articles/how-to-install-and-setup-postfix-on-ubuntu-12-04 I have also created user account and added it to the /etc/postfix/virtual like : test@domain.com (where domain is my domain name) but now when i configure that user in my oultook i m not able to configure it properly. Let me know what else i need do to configure each of my domain user to outlook. I have also setup mx record value with my domain name (in hostname filed). Please help me my requirement is to send/receive email to my domain using outlook client. how can i proceed ?