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

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.

How to Write Effective Payment Emails

Written by Tanya Tarasenko

Sending payment emails can be a delicate process, but mastering clear, polite, and professional communication is essential. Whether you’re sending a payment request, a follow-up, or a thank-you email, this article will guide you through the best practices and provide tips to ensure your emails are effective.

UTM Email Tracking: How to Use UTM Tags to Track Your Campaigns

Written by Khrystyna Sliusar

With recent changes to email privacy rules, it’s becoming increasingly difficult to measure the effectiveness of your campaigns. Relying on open rates is no longer a trustworthy practice. So, what can you do instead? This is where UTM email tracking comes in. UTM parameters are actively used in email marketing to gain valuable insights into the performance of specific campaigns. In this article, you’ll learn about the main types of UTM codes, how to set up UTM tags for links in your email campaigns, and common UTM email tracking mistakes to avoid.

9 Common Follow-Up Email Mistakes and Tips to Avoid Them

Written by Khrystyna Sliusar

A perfect follow-up email is about balance. You want to convert without overdoing it. Be persistent but not intrusive. Provide enough context without overwhelming the recipient with details. And above all, keep your tone polite and not aggressive.
Whether you’re following up on a potential partnership, an overdue invoice, or a business meeting reminder, there are common pitfalls to avoid to increase your chances of getting a response rather than facing silence. In this article, we’ve compiled the most frequent follow-up email mistakes and useful tips to help you stay away from them.

Email File Size Limits and Attachment Restrictions

Written by Tanya Tarasenko

Email remains one of the most widely used forms of communication, both professionally and personally. However, email services have limitations, especially when it comes to file sizes. If you’ve ever tried to send a file by email only to receive an error message about exceeding the size limit, you’re not alone. We will explore email file size limits, attachment restrictions, and practical ways to work around them.

10 Email Marketing Goals for 2025 from GlockApps

Written by Khrystyna Sliusar

Summarizing the results of this year and analyzing the main recent industry trends, we want to share with you some important email marketing goals that you can achieve in the coming year.

Introducing the Brand-New GlockApps Home Page

Written by Julia G

Developed to help email marketers and organizations focused on email delivery to streamline testing and monitoring of their email communications, GlockApps comes with a new user-friendly starting page – for better workflow organization and user experience.

Email Disclaimers: Types, Examples, and Implementation

Written by Tanya Tarasenko

Email disclaimers are an essential feature of professional and secure email communication. From protecting sensitive information to meeting legal and regulatory obligations, the importance of a well-written disclaimer cannot be overstated. We will explore the purpose and types of email disclaimers, offer practical examples, and see how to implement them effectively.

CC and BCC in Emails: Purpose, Difference, and Deliverability

Written by Tanya Tarasenko

Understanding email etiquette and tools like CC (Carbon Copy) and BCC (Blind Carbon Copy) is crucial. These two options are vital in managing recipients, ensuring privacy, and keeping your communication professional. Whether you send updates to your team, share newsletters, or coordinate with stakeholders, knowing the difference between CC and BCC can significantly improve your email effectiveness.

GlockApps Year in Review: Achievements for 2024

Written by Khrystyna Sliusar

This cozy time of year has come again, and we want to share something special for our company – our results for 2024. These achievements wouldn’t have been possible without you, our valued customers! Your dedication to improving email delivery and protecting your brand is inspiring. Let’s celebrate our shared milestones!

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