How is Seafile integrated with LiteOffice Mail corporate mail?
The Seafile service is integrated with the "LiteOffice Mail" corporate mail service and is submitted as an add-on that expands its capabilities.
Both services use a common authentication point - LDAP directory. If you have a mailbox in LiteOffice Mail, then you also have a Seafile cloud storage account.
Also, Seafile is the main file storage for LiteOffice Mail webmail, it allows you to save and attach email attachments directly to the file cloud.