Phishers taking advantage of Gmail’s SMTP relay service to impersonate brands Your email has been sent As the number of malware and ransomware attacks continue to become more prevalent, cybersecurity ...

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 ...

Do you have some kind of intrusion detection with active blocking running on the network? Are connections to the SMTP server restricted (in the properties of the SMTP service)?

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 ...

IIS6 has the lovely ability to send alert messages regarding the server. Now, with no actual mail server available to relay messages, and no qualified domain name, is it possible to send mail via ...

Launched at Ignite in 2020, Azure Communication Services (ACS) is built on top of Teams’ chat and telephony features. It delivers a set of managed communications APIs much like those offered by Twilio ...