EKU myMail POP, IMAP, SMTP Settings
Many email clients will likely configure the necessary settings if you provide your myMail address and password. In case they don’t:
POP setting (the first method of downloading mail; clients usually give you the option of keeping or removing a copy of messages stored on myMail site )
Server name: outlook.office365.com
Port: 995
Encryption method: TLS
IMAP setting (the second method of retrieving email; typically syncs changes between myMail site and email client)
Sever name: outlook.office365.com
Port: 993
Encryption method: TLS
SMTP setting (outgoing email server; used for sending email)
Sever name: smtp.office365.com
Port: 587
Encryption method: STARTTLS