The Island's cybersecurity office is warning people to beware of pretending to be Manx Telecom.
The Cyber Security Centre for the Isle of Man says its had lots of reports of emails imitating the company using @manx.net addresses.
These emails are being sent in various forms, such as stating bogus information about an account needing an upgrade or being deactivated.
The CSC says if you receive any of these emails not to respond and to forward messages to SERS@OCSIA.im.