Windows | Linux | Apple/iOS

WebAdmin

Web-based interface for system and domain administrators.

Internet Calendar

Manually import your calendar into Microsoft Outlook or other calendar clients that support .ics (iCalendar) format (Google Calendar, Windows Calendar).

Private calendar, login required
http://mail.ptc.com.vn/calendar/
Subscribe to your calendar
webcal://mail.ptc.com.vn/calendar/

Basic Calendar

Allow other people to view your public calendar directly in browser.

FreeBusy

Your Free/Busy information can be used by external users (with Outlook, Thunderbird) when sending meeting invitations, to determine when you are available.

WebDAV

WebFolders provide a shared storage for files, e.g. for collaborative editing and management of documents. Calendaring applications use it to connect to your calendar.

WebFolders, IceWarp Desktop Client access
http://mail.ptc.com.vn/webdav/[email]/
Mozilla Sunbird / Lightning access
http://mail.ptc.com.vn/webdav/[email]/[folder_name]
Apple iCal access
http://mail.ptc.com.vn/webdav/users/[email]/