* A misspelling of "email": This is the most likely scenario, as "intramail" could simply be a typo for "internal mail" or "intranet mail." This would refer to emails sent and received within a specific organization or network.
* A specific internal communication system: Some companies or organizations might have their own proprietary email systems that they refer to as "intramail."
* A specific feature within an email platform: It's possible that some email services offer an "intramail" feature that is specific to internal communication within the organization using that service.
Without more context, it's impossible to know the exact meaning of "intramail".
To understand what "intramail" refers to in a specific situation, you'll need more information about where you encountered this term.