Email Protocols: Email Relay, Email Transport, Email Delivery, Inbound Email, Outbound Email Gateway

In this video, I have gone over various Email Protocols. I have illustrated Email Relay, Email Transport, Email Delivery, Inbound Email and Outbound Email Gateway.

To learn How an Email Server or SMTP server works. We must first learn about Email Protocols or SMTP Protocols. Otherwise, we won’t be able to understand the email working process. SMTP Protocol conversation between two SMTP servers illustrates how email works step by step. The Email Protocols are used before and after email is sent and received by the SMTP Server.

Here, I have Described.
(1) Email Relay, how Email Relay or SMTP relay works, inbound or outbound.
(2) Email Transport Server or Mail Router, Receives Mail from the senders and delivers inbound emails to the respective domain’s mail server.
(3) Email deliveries are of two types: local delivery and remote delivery. Local delivery, also known as localhost mail delivery, is the delivery of emails to the user’s inbox on the local server. Remote delivery is the process of sending emails to another server by The remote delivery agent.
(4) Inbound Relay or Inbound Email Gateway sends all emails to inbound servers. An inbound relay server is essentially an MX server that receives mail from external clients and sends it to inbound clients’ email servers.
(5) An outbound email gateway, also known as a smart host, is a server that accepts email from internal email servers and forwards it to the internet on their behalf. Internal email servers do not send messages directly to recipients; instead, they deliver messages to the smart host for final delivery.

Chapters:
00:00 Email Protocols Overview
00:32 Email Relay or SMTP Relay
01:02 Email Transport Server Or Mail Router
01:44 Email Local Delivery or Localhost Mail Delivery
02:15 Email Remote Delivery
02:40 Inbound Email Gateway or Inbound Relay
03:05 Outbound Email Gateway or Smart Host

#postfix #smtpserver #emailprotocols

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Linux Mail Server Postfix Architecture: 👉 https://youtu.be/qhA8HuJBa64
Linux Mail Server Configuration Step by Step: 👉 https://youtu.be/HPV1hJsRud0
How to Configure a Subdomain Mail Server: 👉 https://youtu.be/_g5jwq68AjI
How to Configure Primary and Secondary MX: 👉 https://youtu.be/y0l9oubLpxQ
Mail Server SMTPS 465 Port with SASL and TLS: 👉 https://youtu.be/BWkdkw0cZYo

🔔 𝗠𝗮𝗶𝗹 𝗦𝗲𝗿𝘃𝗲𝗿 𝗗𝗲𝘀𝗶𝗴𝗻 𝗮𝗻𝗱 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗚𝘂𝗶𝗱𝗲𝗹𝗶𝗻𝗲𝘀:

How to Configure a Mail Server: 👉 https://youtu.be/cXoSdqkJKio
Incoming & Outgoing Mail Server: 👉 https://youtu.be/eOZ19VSIvpQ
Primary and Backup Mail Server: 👉 https://youtu.be/UitGGBuiXZ0
Incoming Mail Server Load Balancing: 👉 https://youtu.be/4Vaa6ZRMePU
Outgoing Mail Server Load Balancing: 👉 https://youtu.be/3YBzSqM7fgM
Incoming Spam Filter Deployment: 👉 https://youtu.be/XFzCO-uvEwA

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Install and Configure Linux DNS Server: 👉 https://youtu.be/FeZjRF-aVlc
Primary DNS Or Master DNS Server Configuration: 👉 https://youtu.be/fb41xuax8xU
Secondary DNS Or Slave DNS Server Configuration: 👉 https://youtu.be/jygerYi-Ytk
Caching DNS Server Configuration: 👉 https://youtu.be/y_PUUwY0vwc
DNS Forwarder Configuration with Caching DNS: 👉 https://youtu.be/nDJ8WsXYtMs
Forward Zone Configuration For DNS Forward Lookup: 👉 https://youtu.be/4ghXAJvI-t4
Reverse DNS Configuration For DNS Reverse Lookup: 👉 https://youtu.be/ButSB33dXtA
DNS Records A, PTR, CNAME, NS, MX, SOA, TXT: 👉 https://youtu.be/tpQReHosCD4

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linux smtp server