Yes, the spam filter provided by host.co.in supports multiple email accounts. This feature allows you to apply spam filtering to multiple email addresses or domains within the same filtering system. Whether you have multiple personal email accounts or manage emails for different users within an organization, host.co.in's spam filter can centralize the spam detection and filtering process. This makes it convenient and efficient to manage and monitor spam filtering for multiple users or domains, ensuring consistent spam protection across all the email accounts.