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Mastering Wireshark 2

You're reading from   Mastering Wireshark 2 Develop skills for network analysis and address a wide range of information security threats

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Product type Paperback
Published in May 2018
Publisher
ISBN-13 9781788626521
Length 326 pages
Edition 1st Edition
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Author (1):
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Andrew Crouthamel Andrew Crouthamel
Author Profile Icon Andrew Crouthamel
Andrew Crouthamel
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Toc

Email analysis


In this section, we will take a look at what POP and SMTP are used for, as well as investigating the communication in POP and SMTP and learning what some of the codes are; whether they're successful, or error codes, or something like that.

Now, we have three main protocols that we use for email on the internet:

  1. POP
  2. SMTP
  3. Internet Message Access Protocol (IMAP)

These three are used by clients such as mobile devices or software running on a computer; some sort of standalone application such as Thunderbird or Outlook. There are other protocols as well if you're dealing with Outlook for exchange, for example, but primarily, if you're using a generic application and you're accessing your email server in a generic fashion, you'll be using one of these three protocols.

We'll be focusing on POP and SMTP.

POP and SMTP

POP is used for retrieving emails from a mail server. SMTP is used for sending emails to a mail server and sending emails between mail servers. If you'd like to learn more about...

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