How to Manage and Merge Multiple SPF Records

If you’re responsible for managing email domains, you’ve likely come across the need to work with SPF records. Email authentication can cause a lot of stress, especially when dealing with multiple services that send emails on your domain’s behalf. One question pops up time and again: can you have multiple SPF records for one domain? The short answer: no, and here’s why.

Everything You Need to Know About Domain Forwarding and Email Deliverability

Written by Tanya Tarasenko

If you’ve ever changed your website’s domain or bought additional domains for your business, you’ve probably come across the term “domain forwarding.” It’s an important tool in maintaining a smooth and effective online presence. But, what exactly is domain forwarding, and how can it work for you? How can it affect your email deliverability?

Smarter Content Analysis in Our Inbox Insight Deliverability Test

Written by Khrystyna Sliusar

One of the main issues that determine the effectiveness of email marketing is spam rate. Email content isn’t just about design – it directly impacts your deliverability. Every link, image, attachment, and line of code can affect your email performance and how your message is received.
When content issues go unnoticed, even well-crafted campaigns can struggle to make it to inboxes. Inserting the right links must lead to conversions, but one wrong step can lead your email to end up in the spam folder. Links to untrusted resources may alarm spam filters, so you should test them thoroughly before sending them to your customers.
GlockApps’ Content Analysis helps to find hidden problems and fix them promptly. And with the latest updates, it’s now easier than ever to check, optimize, and send your emails confidently.

Email Domain Check List: 9 Steps to Ensure Email Domain Health

Written by Julia G

The reputation of the email domain you use to send email campaigns makes it all – it determines whether your messages go to Inbox, get filtered out to Spam, or blocked outright. To score your domain reputation, inbox providers evaluate a lot of different factors, including technical setup and sending practices.

Links in Emails: How to Use Them to Avoid Poor Deliverability

Written by Tanya Tarasenko

Email is one of the most effective ways to communicate today. You can be sharing a business update, sending out a marketing campaign, or just writing a personal note, but adding links to your emails is always important, because they add value for your recipients. However, it’s crucial to use them carefully to make sure your emails are clear, professional, and trusted.

QR Codes in Emails: Everything You Need to Know

Written by Tanya Tarasenko

QR codes have become a powerful tool in the everyday life of social media and emails, as they offer a seamless way to connect offline and online interactions. Their use is widespread, especially in marketing and customer engagement. One area where QR codes have found significant application is in email communication. Integrating QR codes in emails allows businesses to create interactive experiences for their customers. However, this integration comes with both opportunities and challenges, especially when it comes to security concerns, user experience, and technical compatibility.

Email Deliverability Statistics Q4 2024: Delivery Rates for Popular Inbox Providers and Senders

Written by Julia G

Email deliverability, defined as the ability of an email to successfully reach the recipient’s inbox, rather than being flagged as spam or failing to deliver, remains a critical aspect of email marketing. Whether a company is sending transactional emails, marketing, or cold outreach campaigns, it is important to get the emails delivered to the recipients’ Inboxes. A sure way to find out where the message lands is through an email deliverability test.

The Best Email Hosting Providers for 2025: How To Choose the Right One

Written by Tanya Tarasenko

Email hosting is a crucial service for ensuring secure and professional communication. With the rise of email interactions, finding the best email hosting solution is more important than ever. This article explores the top email hosting providers, breaking down their features, pricing, and benefits.

Capitalization in Emails: Does It Really Matter and Why You Should Care

Written by Tanya Tarasenko

Today communication often happens through emails, so it’s common to wonder, “Does capitalization matter in emails?” From email addresses to subject lines, capitalization plays a significant role, but the extent to which it matters varies depending on the context. In this article, we’ll break down the nuances of email capitalization, focusing on email addresses, subject lines, and general communication etiquette.

Single or Double Opt-In Strategy: Which Should You Choose?

Written by Tanya Tarasenko

Opt-in email marketing is a cornerstone of building a successful, engaged subscriber base. Whether you’re just starting with email marketing opt-in or are revisiting your strategy, understanding the difference between single opt-in and double opt-in is extremely important. Each approach has unique benefits and potential drawbacks that can impact the success of your opt-in email list and overall marketing opt-in strategy.

Blog