Spread the love“`html In the world of network security, knowing how to check if a port is open is crucial. Ports act as gateways for data traffic, and an open port can signal either authorized ...

The internet did not break this week. It got used exactly as designed, which is worse. Searches were siphoned through shady browser add-ons. AI chat links turned into malware delivery paths. macOS ...

It's been one of those weeks. You expect the usual noise: recycled malware, sloppy attacks, another easy target getting hit. Instead, there's a supply chain attack ...

In May 2025, Microsoft began rejecting emails from high-volume senders that lacked valid SPF, DKIM, and DMARC. If your domain sends more than 5,000 messages per day to Outlook.com or Hotmail.com ...

I have a bash script I run through wsl that (amongst other things) sends an e-mail notification to myself whenever certain events occur. Until recently, I was invoking a powershell script (from the ...

Can an attachment be part of the mail body? Yes. mailsend supports attachments as inline with the option `-attach "file,MIME type,i"`. Any decent mail reader (gmail does, ThunderBird does) will ...

Launch it with the following command to expose TCP ports 12025 for SMTP and 12143 for IMAP on your local network interface. You MUST provide a path volume storage ...

Emacs is a powerful application. It allows you to integrate various parts of your daily workflow into a single cohesive utility. You can also use it to manage your ...

Assigning multiple IP addresses to a single device or network interface can serve various purposes and offer several benefits, depending on the specific use case. In this detailed tutorial, we will ...