Evaluation of Some SMTP Testing, Email Verification, Header Analysis, SSL Checkers, Email Delivery, Email Forwarding and WordPress Email Tools

Simple Mail Transfer Protocol (SMTP) is a set of rules used while sending emails. Usually, this protocol is associated with IMAP or POP3. However, SMTP is utilized to deliver messages, while POP3 and IMAP are utilized to receive them.

The  SMTP testing tool identifies issues with email security in your server that can hinder your email delivery. It checks the health status of your outgoing email server and notifies you about the detected problems, such as connectivity issues, and how to tackle them. An SMTP test tool can identify SMTP server issues and troubleshoot them to keep your email secure and safe.

SSL certificates are what enable websites to use HTTPS, which is more secure than HTTP. An SSL certificate is a data file hosted in a website's origin server. SSL certificates make SSL/TLS encryption possible, and they contain the website's public key and the website's identity, along with related information. Devices attempting to communicate with the origin server will reference this file to obtain the public key and verify the server's identity. The private key is kept secret and secure.

The SSL Checker tool can verify that the SSL Certificate on your web server is properly installed and trusted.

Email headers are present on every email you receive via the Internet. The email header is generated by the client mail program that first sends it and by all the mail servers on route to the destination. Each node adds more text, including from/to addresses, subject, content type, time stamp and identification data. You can trace the path of the message from source to destination by reviewing the email header text.

Header Analyzers can help you view and analyze message headers by displaying the information in a user-friendly manner and also by calling out various issues, such as suspected delivery delays that may require your attention.

Microsoft Remote Connectivity Analyzer provides many  tests, including tests for Inbound and outbound SMTP emails. The Inbound SMTP Email test shows you the various steps taken by an email server to send your domain an inbound SMTP email. Similarly, an Outbound SMTP Email test finds out your outbound IPs for some requirements. It includes Reverse DNS, RBL checks, and Sender ID.

Cloudflare, Inc. is an American company that provides content delivery network services, cloud cybersecurity, DDoS mitigation, and ICANN-accredited domain registration services.

Registration of international domains can be done through https://NIC.UA website.

Mailtrap.io is Email Delivery Platform for individuals and businesses to test, send and control email infrastructure in one place.

Windows PowerShell is mostly known as a command-line shell used to solve some administration tasks in Windows and apps running on this OS. At the same time, it is a scripting language that allows you to tailor cmdlets – lightweight commands to perform specific functions. You can use the built-in Send-MailMessage cmdlet to send SMTP e-mails from PowerShell.

Infinityfree.com provide free website hosting with PHP and MySQL and no Ads in your website.

WP Mail SMTP is the best WordPress SMTP plugin that allows you to easily send WordPress emails using a simple mail transfer protocol (SMTP). If you send an email via your WordPress form, you will then be able to keep track of it.

Improvmx.com is good Email Forwarding website to be used to receive and send emails with your domain name. You can setup business Email and Email forwarding through improvmx.com. . It is possible to add any ImprovMX alias as a sending email on Gmail. 

The book consists from the following sections:

1. Types of DNS Records.

2. SSL and TLS Certificates:

3. Replacing the Default FortiMail Certificate:

4. Header Analysis:

5. Some Tools for Email Verification.

6. Evaluation of Some SMPT Testing Tools.

7. Microsoft Remote Connectivity Analyzer.

8. Creating Free Domain in https://nic.ua and Linking it to Cloudflare.com.

9. Mailtrap.io Email Delivery Platform.   

10. Sending Emails Using Windows Power Shell.

11. Free Web Hosting from infinityfree.com.

12. Installing Different Types of Plugins Related to Mail on the WordPress Website.

13. Setting Up a Business Email and Email Forwarding Through Improvmx.com.

14. SSL Certificates Checkers.

15. References.