I'm trying to get my SMTP communications working with my exchange server and my DAS units. It seems that when trying to send a test it fails but using then same IP,username,password,email addresses ...

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 ...

Is there a mechanism in place to authenticate an SMTP server as an authorized or legitimate sender of e-mail for a domain? Two mechanisms used to check if a mail-sending machine is legitimate for a ...