In response, enterprises should expand their security capabilities at the SMTP gateway," she said. Sobig.F used spoofed email addresses to spread itself from infected computers - and the problem was compounded by a deluge of spam caused by anti...
With the way things work now under the Simple Mail Transfer Protocol (SMTP), there is no widespread method for that kind of verification. Proposals for how to achieve email verification without scrapping SMTP abound, and many of those proposals...
Sober.D is technically similar to its previous incarnation as Sober.C, where it used its own SMTP engine to send copies of itself to email addresses found on infected systems, but the latest version displays fake Microsoft warnings and error...
Spam has risen to such heights partly because of a fundamental weakness in the Simple Mail Transfer Protocol, or SMTP, the messaging protocol that has defined email for more than two decades. Using SMTP, email recipients have no way of determining...
SPF, which preceded Microsoft's own efforts, took another approach, putting authentication at the start of the process of sending and receiving email -- the simple message transport protocol (SMTP). A statement from Microsoft said: "Sender ID will...
Two of the most widely used are port 80, the default for internet activity (HTTP traffic), and port 25, the default for corporate email (SMTP traffic). So are the worlds of HTTP and SMTP filtering so far apart that businesses will always have to...