Google email servers takes up the responsibility for large volume of backscatter spam. The recipient validation is not been performed for domains googlegroups and blogger. People can make a test by sending an email to bogus address from either domain and immediately you get a Google generated bounce message. As a result, spammers can able to launch dictionary attacks against these domains using forged envelope sender addresses. Then the forged addresses people will be initiated with bounce messages generated by Google mail servers. Google mail servers enable backscatter spam and makes people to use net properly.
|
|
