Are you curious how emails manage to travel around the world in a few seconds? Have you always wanted to know what MIME stands for and how it helps files of all kinds hop on emails to travel with them? Here's your chance to find out how email works behind the scenes.
LDAP lets email programs look up email addresses in white pages. Find LDAP (Lightweight Directory Access Protocol) defined here.
Find out how the clever technique of Base64 encoding makes it possible to send arbitrary data through email.
HTML return receipts tell you when your mail has been opened. But how do such return receipts work, and do they always work?
An octet means eight bits and is used to specify the size of emails, for example.
Find out how the Multipurpose Internet Mail Extensions (MIME) work to let you send attachments with your email messages.
Find out how Uuencoding makes it possible to send arbitrary binary data through plain text email.
APOP protects your user name and password when you check for mail.
The Post Office Protocol is what enables your email program to fetch new mail. Find out more about its purpose and its scope.
Have you ever wondered what happens when your email client retrieves mail from a POP account? Here's how the Post Office Protocol lets you and your email software do it.
Have you ever wondered what happens when you click "Send"? Find out how SMTP, the Simple Mail Transfer Protocol, makes emails reach their destinations.
The "Subject" of an email message is a very brief summary of the message's contents.
SMTP Diagnostics sends a test message and prints all the conversation going on in the background to help you detect and troubleshoot email delivery problems. (Windows)
Find out which characters are okay to use in your email address.
Does it matter whether you type ReCipiENt@eXaMPle.cOm or recipient@example.com? Find out here, and learn what you should take to heart when creating a new email address.
Some email addresses are amazingly long and unwieldy. Is there really no limit to their length?
Unicode assigns a number to each character no matter the writing system, language or operating system, allowing information to be exchanged without obstruction between computers.
How email clients store mail locally and why ">From" is necessary sometimes.
Error 421 doesn't tell you much? Find out what the SMTP error message codes from mail servers mean.
Have you ever wished you could access your emails from multiple computers and locations easily and all your access points would always be in sync? This, and some more, is what an IMAP email account can do for you.
