Build Your Own SMTP to Send Bulk Emails

Name: Build Your Own SMTP to Send Bulk Emails
Rating: 4.3 (11 reviews)

Send bulk Emails With Your Own SMTP server

Created byjohn shawa

Last updated 6/2025

English

English [Auto],

What you'll learn

How to set up and configure SMTP on a VPS
How to configure DKIM, DMARC, SPF and PTR authentication protocols and other DNS records
How to configure SSL/TLS for ther email server
How to verify authentication protocols

Course content

5 sections • 16 lectures • 1h 58m total length

Introduction2:04
Explore building your own smtp to send bulk emails with a step-by-step, well-organized approach from an email server expert, backed by real-world experience and positive reviews.
Getting Started3:22
Begin building your own smtp to send bulk emails by selecting a domain name and a virtual private server (vps), and explore postfix, a mail transfer agent used for delivery.

Getting a domain9:45
Identify trustworthy domain extensions such as .com, .net, .org, .co, and .io, use mail tester to assess age, and learn to buy domains from Namecheap and Name.com for email servers.
Getting a VPS8:23
Learn how to obtain a virtual private server for SMTP hosting by understanding RAM, CPU, and storage, selecting Ubuntu 20.04, and choosing a North America Canada location with PayPal.

Required tools2:51
Explore the Putty client for SSH, Telnet, and SFTP on Windows, learn how to SSH into a virtual private server, and prepare for installations in upcoming lessons.
Installation of Free Control Panel18:21
Install vitamin on a server with Putty, adjust the hostname and DNS A record for a subdomain, then run the post-install wizard to enable SMTP for outbound and inbound mail.
Main Virtual server & SSL setup12:51
Set up the main virtual server in Benjamin and install ssl to enable encrypted emails, then prepare sub servers for mautic and roundcube.

Setting up Dkim7:21
Configure DKIM to add a digital signature to outbound emails, using a private key on your server and a public key in DNS, and learn about selectors and text records.
Setting up SPF4:55
Learn how to set up SPF records in DNS to authorize mail servers and improve deliverability by listing approved IPs and hostnames for your domain.
Setting up DMARC7:24
Explore how DMARC, a DNS text record, governs messages that fail SPF or DKIM by enforcing policies—reject, quarantine, or none—and how to publish and monitor reports.
Setting up MX record6:42
Configure an MX record to direct email to your domain’s mail server through DNS. Set a priority with numerical values and ensure an A record exists for the subdomain used.
Setting up RDNS6:19
learn how to set up reverse dns (ptr) for your mail server, understand how dns lookups work, test changes with mx toolbox, and ensure deliverability is not affected.

Server Authentication2:10
Learn how to authenticate your mail server to prevent sending errors and ensure reliable bulk email delivery by using Webmin tools and a pair of shell commands.
Install Roundcube10:49
Set up Roundcube, a browser-based email app, on your server by configuring a dns record, creating subdomain, and installing ssl via letsencrypt. Create a user to read and send emails.
SMTP Credentials & Verification of Authentication protocols12:53
Configure smtp credentials—including host, user, password, port, and encryption—and verify authentication protocols (spf, dkim, dmarc, mx records, reverse dns) to connect to any email software and ensure deliverability.
Authentication protocol Validation in Auto-mode2:42
Use auto mode to test SMTP credentials and validate authentication protocols by auto-generating a test email and analyzing SPF, DKIM, DMARC, MX, and reverse DNS.

Requirements

Must have a computer and internet conection

Description

If you ever want to start saving lots of money on email marketing or if you want to be a freelancer and start making money working for others on freelancing platforms like I have using the exact same information in this course then this is for you.
Unlock the power of custom email infrastructure with Build Your Own SMTP to Send Bulk Emails. This hands-on course teaches you how to create your own SMTP (Simple Mail Transfer Protocol) server from scratch—giving you full control over email delivery, reputation, and scalability.

You'll dive deep into the mechanics and the most critical aspectof email sending, focusing on domain authentication (SPF, DKIM, DMARC, MX and Reverse DNS) Whether you're an entrepreneur looking to avoid expensive third-party platforms or a developer interested in building a robust, scalable system for bulk email campaigns, this course walks you through it step-by-step.

By the end, you'll have a working SMTP server that can send bulk emails reliably and efficiently.

No prior experience with mail servers is required. This course will empower you to take control of your email infrastructure.

Start building your own SMTP and reduce long-term costs while gaining full technical ownership over your email systems.

Who this course is for:

Affiliate marketers
People who have websites and looking for a cheap method to run email marketing
Freelancers who want to get a skill and start making money online from the skill
Cold email marketers
Digital Marketers
Entrepreneurs

Build Your Own SMTP to Send Bulk Emails

What you'll learn

Explore related topics

Course content

Introduction2 lectures • 5min

Getting a domain and VPS2 lectures • 18min

Server installation and configuration3 lectures • 34min

Sever authentication protocols5 lectures • 33min

Server & Protocol Authentication4 lectures • 29min

Requirements

Description

Who this course is for: