Email spoofing is when the sender of the email forges (spoofs) the email header's from address, so the sent message appears to have been sent from a legitimate email address.

If you have received a high volume of undeliverable notices in your inbox, there is a strong chance your email address is being spoofed.

What to do if your email has been spoofed

Spoofing is a temporary issue that will often be resolved in a few weeks when the spammer will move on to another email address. A temporary problem does not make it any less frustrating, but it is important to consider this generally does not indicate account compromise.

We suggest running a full virus scan on your local computer. The virus scan ensures that you have not experienced any malware or virus infection and helps eliminate the possibility that you have a compromised account.

After running the anti-virus scan and coming back without issues, you should then update your email password through your webmail, making sure that you have a robust and secure password.

Once you have completed these steps, you can expect fewer undeliverable messages to be received in your inbox as the changes take effect.

To avoid further clutter in your inbox, you can also create filtering settings to move the undeliverable messages into a holding folder.