Security researchers have found inconsistencies in how some Simple Mail Transfer Protocol (SMTP) servers handle end-of-data sequences. This allows the injection of SMTP commands into email messages in ...

Twenty years ago, Paul Vixie published a Request for Comments on Repudiating MAIL FROM that helped spur the internet community to develop a new way of fighting spam with the Sender Policy Framework ...

SMTP, or Simple Mail Transfer Protocol, is a set of communication guidelines used by email servers to deliver emails to their clients. Your emails are just strings of text; SMTP helps servers and ...