Servidores POP3 e IMAP de outlook.com y live.com

OUTLOOK.COM POP3 SERVERS
Incoming mail server	pop3.live.com
Incoming mail server port	995 (SSL required)
Outgoing (SMTP) mail server	smtp.live.com
Outgoing (SMTP) mail server port	587 (SSL/TLS required)
Outgoing server (SMTP) authentication	yes, same settings as my incoming mail server
OUTLOOK.COM IMAP SERVERS
Incoming mail server	imap-mail.outlook.com
Incoming mail server port	993 (SSL required)
Outgoing (SMTP) mail server	smtp-mail.outlook.com
Outgoing (SMTP) mail server port	587 (SSL/TLS required)
Outgoing server (SMTP) authentication	yes, same settings as my incoming mail server
OUTLOOK.COM VIA ACTIVE SYNC
Active Sync mail server	m.hotmail.com (SSL required)

Fuente: http://www.outlook-apps.com/outlook-com-pop-settings/