Hyvor Relay is a self-hosted, open-source email API for developers. It uses SMTP to send emails using your own infrastructure. It is designed to be simple to self-host, easy to manage and observe, and ...

Microsoft has discontinued basic authentication for personal Outlook.com accounts. This change affects Gmail's "Send mail as" feature, which relies on basic SMTP authentication. Since Gmail hasn't ...

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. Many ...

Shipping multiple types of mail will become more expensive in 2026. USPS is also changing their postmark process that could impact people mailing time-sensitive documents, like tax returns. Sending ...

The United States Postal Service’s rule on delayed postmarking went into effect on Christmas Eve, and it has caused confusion and speculation from many about its impact on mail-in ballots with ...