SMTP is a communication protocol for sending and forwarding emails. This article explains the mechanism, the differences ...

In Microsoft 365 (Exchange Online), the deprecation of "SMTP Basic Authentication," which sends emails using an ID and ...

Companies sensible to effective delivery of email to all free email services may have noticed problems with deliveries to Hotmail addresses. Despite the SMTP dialog ending with a successful “250” ...

Stalwart v1.0 finalizes its database schema and releases after five years of Rust development, with benchmark wins over ...

Stalwart mail server reaches version 1.0 with faster parsers, expanded full-text search, and database and OAuth changes.

Thunderbird 159 introduces unread mail indicators for Linux system trays, automatic Microsoft Graph calendar discovery, and ...

SPF flattening is the process of converting an SPF record that relies on multiple third-party include statements into a ...

TIKTOUK targets exposed WordPress backups to steal cloud and email credentials, with 50,000 credentials found across 37,000 domains.

Explore the latest news, real-world incidents, expert analysis, and trends in OpenBSD — only on The Hacker News, the leading ...

Cutting Through the php2shell Noise On October 20, details of php2shell, two pre-auth RCE vulnerabilities in the PHP core ...

Unlimited mailboxes and domains, shared calendars and AI-connected email bring growing teams more capability with one ...

Linux backdoors targeting South Korea and Taiwan disguise processes and traffic as trusted email services to evade detection.