Email Tutorials - Herong's Tutorial Examples
∟Introduction to Email
This chapter provides introductions on email and related technologies. Topics include SMTP, POP3 and IMAP protocols; SSL/TLS secure connections; MUA, MSA, MTA and MDA software agents.
What Is Email
What Is SMTP
What Is SMTPS
What Is IMAP
What Is IMAPS
What Is POP3
What Is POP3S
Takeaways:
- Email is a communication technology that allows users to send and receive
messages to each other.
- MUA (Message User Agent), also called Email Client,
is a program for end users to compose outgoing mail messages
and retrieve incoming mail messages.
- MSA (Message Submission Agent) ia a program for
receiving email messages from a MUA.
- MTA (Message Transfer Agent) is a program for
transferring email messages from one computer to another.
- MDA (Message Delivery Agent) is a program for
delivering email messages to recipient's mailboxes.
- SMTP (Simple Mail Transfer Protocol) is for email message
transmission between software agents locally or remotely.
- IMAP (Internet Message Access Protocol) is used by
MUA (Message User Agent) to retrieve email messages.
- POP3 (Post Office Protocol 3) is used by
MUA (Message User Agent) to retrieve email messages.
- SSL/TLS (Secure Socket Layer / Transport Layer Security)
are used to create encrypted connections to secure other non-secure connections.
- SMTPS, IMAPS and POP3S are SMTP, IMAP and POP3 wrapped under SSL/TLS
connections.
Table of Contents
About This Book
►Introduction to Email
Postfix - Mail Transport Agent (MTA)
SSL/TLS Secure Connections with Postfix Server
Dovecot - IMAP and POP3 Server
SSL/TLS Secure Connections with Dovecot Server
Email Client Tools - Mail User Agents (MUA)
Mozilla Thunderbird - Mail User Agents (MUA)
PHPMailer - PHP Package for Sending Emails
Email Message Format and Headers
References
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