I'm a web developer that creates and hosts sites for a large manufacturer. This manufacturer has their own IS department and their own email server.
Recently, the IS department is complaining that they are receiving email from my web sites - that are sent to email addresses that do not exist.
For example, my web sites are:
, and several others.
the company's email server/address is
IS department is complaining that they are getting mail from:
BUT I DON'T THINK I'VE USED EITHER OF THESE ADDRESSES ON ANY OF MY SITES.
1. Don't you suspect this is phishing?
2. Is there anyway to search all my server and web sites to see if I've inadvertently used one of the email addresses.
I'm not finding the email addresses on my local pc side.