Articles

Your resource for tips and tricks on maintaining your subscriber lists while improving deliverability.

How to check for valid vs. invalid email addresses

A list full of valid email addresses is crucial to make your campaigns successful, while invalid emails are dangerous for your deliverability. You need to deal with them before it’s too late!

Amy · 22 min read

Guide to email sender authentication: Bulletproof your email

In this article, we break down email sender authentication to explain what it is, why you need it and how to do it. Plus, we explain what SPF and DKIM do, and discuss two additional authentication methods you can use to further boost security and deliverability.

Amy · 4 min read

Guide to email validation in PHP: filter_var(), regex and API methods

Just as the quality of your campaigns impacts deliverability, the quality of your email list does too. Validating emails makes it easier to navigate the murky waters of list management, and email validation in PHP can help.

Amy · 28 min read

18 email marketing performance metrics for improved campaign tracking

Successful email marketing takes time, effort and money. With this in mind, it’s important to track the right email marketing performance metrics to understand your return on investment.

Kerry · 19 min read

The 5 best Mailchimp alternatives based on industry and use case

Mailchimp became a huge force in email and it’s the first port-of-call for many business owners when they get started on their email marketing journey. But since its inception, a lot of other great Email Service Providers (ESP) have cropped up.

Kerry · 21 min read

3 methods for email validation using Python (tutorial and code)

Nobody likes spam (the junk mail kind, we won’t make assumptions about your taste for canned luncheon meat). And you definitely don’t want to be marked as spam thanks to a flood of fake email addresses on your list.

Amy · 21 min read

How to read a DMARC report—and actually understand it!

DMARC is a powerful tool for managing how your domain is used to send emails. It stops spammers from sending messages that appear to come from your business and provides reports when emails fail authentication tests so you can protect yourself.

Duncan · 12 min read

How to ping an email address: Step-by-step guide

Email pinging is a way to use command prompts and Telnet to communicate with a mail server and confirm an email address exists. Want to know more? This article will show you exactly how to ping an email address.

John · 20 min read

How to validate email with JavaScript: Tutorial and sample code

It’s relatively easy to perform a basic email validation with Javascript to check the formatting and structure of an email address.

Duncan · 16 min read

Protect your business: 7 shady things when buying email lists

We get it—building a quality email list takes time and buying an email list is a tempting shortcut! But, those few minutes of satisfaction won't be worth the hassle a purchased list will cause down the line.

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