What lurks within that mysterious Sensitivity menu beside your Outlook reply button? Beyond sparking distraction whenever it pops into view, have you questioned what purpose the sensitivity field tagged to some messages actually serves? You likely assume (correctly) it denotes delicate contents requiring tact. But how exactly? Under what scenarios … Read more

You glance at it for just a split second before opening an email – yet the subject line holds surprising power over your communications. This diminutive text sets the stage for consuming volumes of messages across devices daily. Despite its petite preamble positioning, the email subject carries an outsized influence … Read more

Unexpected bounce messages bombarding your inbox out of nowhere. Confusing notifications about emails you definitely did NOT send. This frustrating phenomenon is called backscatter spam, and advanced filters play a vital role in blocking it.This guide explores what fuels backscatter, how filters detect then intercept these misleading emails, and key … Read more

Does MD5 encryption still have a role in modern authentication systems? Surprisingly, yes – the decades old MD5 algorithm still protects countless email passwords every day!Let’s explore the inner workings of APOP email authentication and the pros, cons, and future of leaning on creaky old MD5 hashes to securely validate … Read more

Have you ever noticed an “X-MSMail-Priority” field when scrutinizing an email’s raw source code and wondered what on earth it’s used for? Does it secretly accelerate certain messages to Microsoft recipients’ inboxes? Read on to decipher this field once and for all! What is the X-MSMail-Priority Header Field? Definition & … Read more

Have you ever peeked under the hood at gibberish email headers like “Thread-Index” and wondered – what on earth is THAT mess? Well today, we’re cracking the code on these cryptic metadata tags to unravel their hidden threaded wisdom.Specifically, we’re demystifying the threaded email magic behind the Outlook-centric Thread-Index header … Read more

Ever puzzled over odd APOP authentication exchanges while debugging archaic email systems? This comprehensive guide demystifies everything about the Authenticated Post Office Protocol – its cryptic syntax, inner workings, security implications, and relation to modern protocols. Master the vintage art of APOP with examples and clear explanations. Bid farewell to … Read more

Ever peeked under the hood of an email header and wondered about that cryptic “X-MimeOLE” field? This proprietary Outlook indicator has an important story to tell – if you know how to interpret it. Join us as we demystify Microsoft’s custom creation and walk through X-MimeOLE’s origins, uses, and future. … Read more

That urgent email from your boss asking you to buy gift cards? Probably spoofed. Email spoofing tricks users by disguising the true sender to deliver scams, malware, and phishing attempts. But with the right precautions, you can outwit even crafty inbox assailants. This comprehensive guide breaks down common spoofing tactics … Read more

Have you ever peeked under the hood of an email header? Beyond the visible sender, subject and date, lies intricate metadata tracing messages across the internet. One tiny field – the X-Mailer – hides clues revealing vital context or criminal deception for the smart observer.Let’s slip on our digital forensics … Read more