View Categories

Technical Articles

34 Docs

Acceptable email address syntax according to RFC

Last Updated: August 21, 2017

Email syntax basics The syntax for an email address is familiar to most Internet users. There should be a local...

SMTP commands according to RFC

Last Updated: August 21, 2017

What is SMTP? Simple Mail Transfer Protocol (SMTP) is an Internet standard for sending emails. The original specifications for SMTP...

How to create a simple email blaster using VB.NET

Last Updated: August 21, 2017

Creating a simple email blaster When you perform email marketing, you will be sending out large quantities of emails to...

Why are my emails bouncing back?

Last Updated: August 21, 2017

Email bounce is not always avoidable during an email campaign Anyone who has ever sent out a large amount of...

What is Bayesian spam filtering?

Last Updated: August 21, 2017

Intro Bayesian spam filtering is a statistical method of detecting spam emails based on Bayes’ theorem to calculate the probability...

Protecting yourself from backscatter spam

Last Updated: August 21, 2017

Intro Backscatter spam is also known as bounce back spam. The reason it is called bounce back spam is because...

Configuring Sender Policy Framework

Last Updated: August 22, 2017

Intro Sender Policy Framework (SPF) is simple whitelist of IP addresses that are allowed to send emails for a particular...

Configuring DomainKeys Identified Mail

Last Updated: August 22, 2017

Intro DomainKeys Identified Mail (DKIM) is an email authentication method which allows the recipient of an email to verify that...

What is a phishing email?

Last Updated: August 22, 2017

Intro Phishing is just a pun on the word fishing as the scammer is trying to fish for sensitive data...

Email validation for form submission

Last Updated: April 6, 2018

Introduction A company website can be one of the greatest resources sending potential customers to you. To embed a form...

Hard bounce vs. soft bounce

Last Updated: September 21, 2018

Intro If you’ve been sending out email newsletters for a certain period, eventually you’ll encounter an email bounce which is...

How to import email list from Constant Contact

Last Updated: October 10, 2018

Constant Contact MailboxValidator’s integration with Constant Contact provides users a very simple way to import their email list into MailboxValidator...

How to use MailboxValidator CakePHP Email Validation Plugin to validate email during registration

Last Updated: November 26, 2018

Overview The MailboxValidator CakePHP Email Validation Plugin is an easy to use CakePHP plugin which enables CakePHP users to validate emails...

How to use MailboxValidator CodeIgniter library to validate email?

Last Updated: November 29, 2018

Overview In this tutorial, we will demonstrate how to use MailboxValidator CodeIgniter library to validate email addresses. MailboxValidator CodeIgniter library...

How to use MailboxValidator Yii Extension to validate email?

Last Updated: December 5, 2018

Overview In this tutorial, we will demonstrate how to use the MailboxValidator Yii extension to validate email addresses. MailboxValidator Yii...

How to import email list from VerticalResponse

Last Updated: January 29, 2019

MailboxValidator’s integration with VerticalResponse provides users simplest way to import their email list into MailboxValidator for validation and then return...

How to import email list from Moosend

Last Updated: February 1, 2019

MailboxValidator’s integration with Moosend provides users the simplest way to import their email list into MailboxValidator for validation and then...

How to import email list from Mailjet

Last Updated: February 18, 2019

MailboxValidator’s integration with Mailjet provides users the simplest way to import their email list into MailboxValidator for validation and then return...

How to import email list from iContact

Last Updated: February 25, 2019

MailboxValidator’s integration with iContact provides users the simplest way to import their email list into MailboxValidator for validation and then...

How to import email list from ActiveCampaign

Last Updated: April 10, 2019

MailboxValidator’s integration with ActiveCampaign provides users the simplest way to import their email list into MailboxValidator for validation and then...

How to block disposable email from sign up in WordPress

Last Updated: April 29, 2019

Introduction In today, many WordPress websites are utilizing the user registration feature to attract more visitors to become their regular...

Using Postman to call MailboxValidator Email Validation API

Last Updated: May 16, 2019

Intro Postman is a development tool you can use to test the calling of an API. We will demonstrate how...

How to use MailboxValidator Symfony Bundle to validate email?

Last Updated: November 29, 2019

Overview The MailboxValidator Symfony Email Validation Bundle is an easy to use Symfony package which enables Symfony users to validate...

How to block disposable email from sign up in phpBB forum

Last Updated: February 11, 2020

Introduction Today, there are many forums or discussion boards that are built based on phpBB, for example Debian and Joomla...

MailboxValidator Email Validator WordPress plugin – What’s Next?

Last Updated: February 25, 2020

You have installed the MailboxValidator Email Validator plugin in your website. You have followed the tutorial to complete the installation...

How to block disposable email from sign up in Vanilla Forums?

Last Updated: April 14, 2020

Introduction People use forums for a variety of reasons. Some people like to share their idea with others on Internet....

How to use MailboxValidator API to validate email in PrestaShop

Last Updated: October 7, 2020

Overview PrestaShop is one of the popular e-commerce platforms used by many merchants around the globe. It comes with many...

How to block invalid email sign up in AbanteCart

Last Updated: March 19, 2021

Online shopping is becoming more and more popular among people these days. As the result, many sellers are seeking business...

What happens when you get flagged as a spammer?

Last Updated: March 25, 2021

Intro Running a modern business these days require the use of emails for communication and promotions. You need to be...

Valid email address incurring bounce

Last Updated: May 25, 2021

Intro Let’s assume you are a model email marketer. You have built your mailing list via double opt-in and you...

How invalid, catch-all, disposable, free and role-based email addresses affect your marketing campaign?

Last Updated: July 29, 2021

Intro Invalid, catch-all, disposable, free, and role-based email addresses can have various impacts on a campaign, depending on the specific...

Comment spam blocking in WordPress

Last Updated: March 22, 2022

Intro WordPress is a very popular Content Management System (CMS). Many blogs are hosted using WordPress due to the ease...

DMARC record: Protect your email domain

Last Updated: June 30, 2022

Intro DMARC (Domain-based Message Authentication, Reporting and Conformance) is an email authentication protocol. Its goal is to prevent your email...

Email validation in Node.js

Last Updated: August 5, 2022

Intro MailboxValidator is an email validation service to clean mailing lists of stale and unreachable emails. There are 2 ways...

Scroll to Top