Sophos Support Fundamentals: Email
An overview of the fundamentals of email. We cover the basic email flow concept, STMP connection process, commands, status codes, and go through an example STMP session.
*Video Chapters*
00:10 Overview
01:30 SMTP Basics
02:34 Connection Process
03:23 Commands & Status Codes
06:33 Example Session
*Relevant Resources*
SMTP Communication:
https://learn.microsoft.com/en-us/exchange/mail-flow/test-smtp-telnet?view=exchserver-2019
SMTP Status Codes:
https://blog.mxtoolbox.com/2011/08/30/400-500-email-bounce-back-errors-explained/
Common Technical Terms in Email:
https://www.mailgun.com/resources/learn/glossary/mail-transfer-agent/#:~:text=A%20Mail%20Transfer%20Agent%20(MTA,to%20access%20or%20send%20emails.
------
Join our Sophos Community at https://community.sophos.com
Find more helpful videos at https://techvids.sophos.com