This email service is called inbox. firstname.lastname@example.org this is how email looks like if you get registered with this Sri Lankan email service. This email service does not offer you any Gigabyte capacity like Gmail. This email service offers you 30 Mb capacity only.
You can reserve your preferred inbox.lk email address right now. What I do not like is they do not activate your email address after your registration. They take sometimes to approve and activate your email address because of spammers I guess. Anyways it’s good job Sri Lankans.