Recently GFI MailEssentials users may have experienced disruption to their service. We are happy to report that this is now resolved. If you have temporarily disabled Bitdefender, please re-enable it and your email service will resume. If you continue to experience any problems, follow this guide to manually update Bitdefender definitions. Learn more

What devices are supported for use with XCAPI?

Detailed information on individual telephone systems is available on the XCAPI Interoperability List.  An up-to-date version of the Interoperability List PDF (which should be updated monthly) can be found at the following location: URL