So I have the email address online...@telkomsa.net It's also setup as firstname.lastname@example.org. However when I send to email@example.com, it comes back with the message that firstname.lastname@example.org is not a known address on the server.
Yet under webmail.telkomsa.net, email@example.com is setup. Useless telkom email. And, no it is not my main email account. I give this email out as one which I don't care if it receives spam.
EDIT: What is strange is that when I send from this account, it shows is address as firstname.lastname@example.org