SMTP Smuggling - a new technique for spoofing email messages
Researchers from SEC Consult have published a new spoofing technique caused by discrepancies in following the specification in different implementations of the SMTP protocol. The proposed attack technique allows one message to be split into several different messages when it is transmitted by the original SMTP server to another SMTP server, which interprets the sequence differently to separate letters transmitted through one connection. The method can be used to send fictitious […]