is limilab support for zohomail api using OAuth 2.0
Mail.dll email client supports OAuth 2.0 authentication.
It seems to me Zoho doesn't support OAuth for IMAP - CAPABILITY response doesn't list OAuth as a supported authentication method.
They suggest using Application-Specific Password: https://www.zoho.com/mail/help/adminconsole/two-factor-authentication.html#alink5