how to user email alias, how to find smtp

i have my email in altervista.org that is endiinternet@altervista.org......
i want to use use it in microsoft outlook but i need smt,.,,
how to setup it.
thansk

[filsil]

The address provided with your account is not a real mailbox, but only an alias. All the messages received by the alias are forwarded to the address associated with your account.