The following can be used to access our mail services:
IMAP: imap.stackmail.com
POP: pop3.stackmail.com
SMTP: smtp.stackmail.com
MX: mx.stackmail.com
The above hostnames will work for all mailboxes on our platform.
If you wish to configure Outlook Autodiscover support, please create a CNAME for "autodiscover.yourdomain.com" to point to "autodiscover.stackmail.com".