SPAM attack!

On Thursday, we started to get several undeliverable emails that were supposedly sent from our domains postmaster email address. When I examined the header information, you could see that the header was spoofed with our "postmaster" email address. All the IP information that the email was sent from was typically a DSL or cable connection. After sever hundred undeliverable messages, the barrage seemed to stop. This is scary to see because the SPAM networks are so sophisticated now, that they can send out an address to spoof for only several hours and then change to a new address! I was afraid that our domain would start to get black listed and we would start to have issues with SPAM black holes. At least the SPAMMERS do not harvest addresses long enough to leave a trail!