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For beginners
Apology Email to Customers & Clients - How to Write an Apology Email?
Mistakes are part of human life, both in personal and corporate affairs. What’s important is sincerely apologizing for the mistake to avoid breaking a personal or corporate relationship. If your company makes an error, it’s wise to send an apology email to customers in which you admit your fault and ask for their understanding and forgiveness. This article will explain how to write an apology email for different scenarios.
Valeriia Dziubenko
01 december 2023, 09:467 min
Apology Email to Customers & Clients - How to Write an Apology Email?
Valeriia Dziubenko
01 december 2023, 09:467 min
Best Gmail alternatives for all users | UniOne
Yurii Bitko
29 november 2023, 15:198 min
How to Turn Off Email Notifications: Step-by-step Guide
Valeriia Dziubenko
27 november 2023, 13:573 min
How to set up email forwarding
Yurii Bitko
20 november 2023, 14:166 min

Recently published

Blog
For beginners
Apology Email to Customers & Clients - How to Write an Apology Email?
Mistakes are part of human life, both in personal and corporate affairs. What’s important is sincerely apologizing for the mistake to avoid breaking a personal or corporate relationship. If your company makes an error, it’s wise to send an apology email to customers in which you admit your fault and ask for their understanding and forgiveness. This article will explain how to write an apology email for different scenarios.
Valeriia Dziubenko
01 december 2023, 09:467 min
Blog
For beginners
Best Gmail alternatives for all users | UniOne
Gmail is the world’s most popular mailbox service. It has dominated the market because of a combination of most desired features, including ample storage space, an intuitive user interface, and advanced security.
Yurii Bitko
29 november 2023, 15:198 min
Blog
For beginners
How to Turn Off Email Notifications: Step-by-step Guide
Notifications help you monitor your emails and reply to the important ones on time. However, these notifications can become a nuisance if you get too much. Luckily, if constant email notifications are bothering you, you can turn them off. This article will show the ways to turn off email notifications on different devices.
Valeriia Dziubenko
27 november 2023, 13:573 min
Blog
For beginners
How to set up email forwarding
Email forwarding can help you boost your productivity. It can reduce the number of emails you check daily and save time you can use elsewhere. This article will explain how to set up mail forwarding in Gmail, Outlook, Yahoo, Apple Mail, and AOL.
Yurii Bitko
20 november 2023, 14:166 min
Blog
For beginners
How To Choose the Best Font for Email?
Fonts matter greatly for emails or any other form of written communication. Have you ever struggled to read a barely legible handwriting? That’s the same way people feel when they receive emails made with poorly designed typefaces.
Alex Kachalov
16 november 2023, 11:267 min
Blog
For beginners
Best Email Signature Examples
It’s important to append a signature to your emails, be it mass or one-to-one communication. Signatures help recipients verify your message’s authenticity and be assured they are communicating with a human, not a nondescript AI bot. They will add a personal touch to the most dull business correspondence. This article will explain the most vital email signature elements and offer tips for creating a perfect email signature.
Valeriia Dziubenko
13 november 2023, 07:452 min
Blog
For beginners
How to Send Mass Email Campaigns in Outlook: Step-by-Step Guide
Outlook is one of the most popular email clients, and it can be used to send mass emails. Many wonder how to do that, and this article is here to explain the procedure. We’ll show you the exact steps to take for most effective results.
Alex Kachalov
25 october 2023, 14:389 min
Blog
For experts
Email Security: Common Issues and Best Practices
Security is paramount when sending emails. With billions of active users worldwide, email is the primary target of a majority of cyber attacks. Hence, you must take extra steps to make your SMTP server as secure as can be and protect your correspondence from prying eyes.
Valeriia Dziubenko
18 october 2023, 15:128 min
Blog
For beginners
What Is DMARC in Email?
There are over 4.2 billion active email users worldwide, and this figure is projected to be about 5 billion by 2030. Email remains the most popular form of online communication, making it the common target for malicious actors. Hackers, spammers and phishers often aim at impersonating trusted email sources to trick unsuspecting users into giving them their money or sensitive information.
Yurii Bitko
13 october 2023, 12:276 min
Blog
For beginners
What is SPF (Sender Policy Framework)?
Email is the biggest online communication medium, with over 4 billion users worldwide. Its immense popularity also makes it the biggest target of malicious actors, like spammers, hackers, and identity thieves. They often attempt to impersonate established brands to trick unsuspecting customers into giving them money or sensitive information. Fortunately, brands can use email authentication methods to prevent impersonation, and the Sender Policy Framework (SPF) is one such method.
Vitalii Poddubnyi
12 october 2023, 10:595 min
Blog
For experts
How to Calculate Email Open Rate
Open rate is one of the most essential metrics every email marketer should pay attention to. It refers to the percentage of subscribers who open your email out of the total number of subscribers. It helps you understand how engaged your subscribers are with your brand, as engaged people will likely open your messages.
Yurii Bitko
04 october 2023, 14:008 min
Blog
For beginners
How Many Emails Are Sent Per Day in 2023?
After 50 years of active use, email is still the most popular form of online communication. There are over 4 billion active email users worldwide, and the figure keeps growing. With this enormous number of email users, you’ll probably wonder how many emails get sent each day. The answer is no less impressive: over 300 billion in total, or at least 4 million emails per second.
Denys Romanov
26 september 2023, 19:267 min
Blog
For experts
Email Obfuscation: Which Methods are the Best?
Public email addresses have long been popular targets for spammers. Many spammers deploy web crawlers to harvest emails from every available web page, gathering a list to send spam messages later. If you need to publish your email address online, it is advisable to keep it from falling into the wrong hands. This can be done with a variety of methods collectively referred to as email obfuscation. These methods, however, differ both in complexity and effectiveness.
Alex Kachalov
20 september 2023, 09:204 min
Blog
For beginners
What is Email Bounce Rate and How to Keep It Low?
Bounced emails are a regular concern for every business interacting with customers via email. The term “bounced email” implies that it didn't reach the intended recipient. Instead, the message was rejected by the receiving server for whatever reason.
Valeriia Dziubenko
15 september 2023, 13:086 min
Blog
For beginners
Why is Gmail Blocking My Emails and What To Do About It
Gmail is the most popular email service globally, with over 1.8 billion active users. It processes tens of billions of emails daily, an enormous volume, and blocks a significant percentage of incoming mail.
Yurii Bitko
12 september 2023, 08:485 min
Blog
For experts
How to Write Better Emails with ChatGPT
ChatGPT is an artificial intelligence based chatbot that has taken the world by storm. Since its release in November 2022, it has amassed tens of millions of users and become one of the fastest-growing technology tools globally.
Vitalii Poddubnyi
11 september 2023, 12:527 min
Blog
For beginners
B2B vs. B2C Email Marketing: How Do They Differ? | UniOne
Email marketing is a very effective way to reach prospective customers and make sales. It’s also effective for retaining existing customers and getting them to spend more money on your products. However, it’s not one-size-fits-all. You have to follow different approaches with different types of customers.
Valeriia Dziubenko
06 september 2023, 14:563 min
Blog
For experts
How To Reduce Spam Complaint Rate | UniOne
Whenever you send marketing emails in bulk, even small, you may receive spam complaints from your recipients. These complaints will eventually harm your sender's reputation if they become regular. Email services keep track of how many complaints an IP address or domain name has received. If the complaint rate is high, you’ll observe an increasing number of your messages landing in spam folders.
Yurii Bitko
01 september 2023, 13:448 min
Blog
For beginners
Email Delivery Failure: Why Didn't Customers Receive Your Email?
Poor email delivery rates can be maddening. You spend time and effort creating a marketing email campaign for your customers, only to see that lots of messages don’t get to their intended recipients.
Yurii Bitko
30 august 2023, 14:294 min
Blog
For beginners
How to Write a Congratulations Email for a Promotion
When a friend, family member, or coworker is commended for their commitment and hard work, it's crucial to express your happiness and offer congratulations on their promotion.
Valeriia Dziubenko
24 august 2023, 09:295 min
Blog
For beginners
What Is STARTTLS and How Does It Work?
We all use email daily, and generally consider it secure, but have you ever wondered how email is securely sent from one server to another?
Valeriia Dziubenko
24 august 2023, 08:228 min
Blog
For beginners
IP Warming: What Is It and Why You Need It
IP address warmup is an important procedure that helps you establish a good reputation for a new IP or an IP that hasn't been used for some time.
Valeriia Dziubenko
24 august 2023, 08:127 min
Blog
For beginners
Email Header: Examples, Explained, Samples
What is an email header and what is it needed for?
Valeriia Dziubenko
23 august 2023, 19:046 min
Blog
For beginners
How to Use Email Marketing to Grow Your Business

Email is the world’s most popular online communication medium. Over 4 billion active email users worldwide exchange over 300 billion emails daily. This massive user base makes email an effective marketing medium for every business.

Valeriia Dziubenko
23 august 2023, 08:583 min
Blog
For beginners
Best Email Solution For Sending OTPs

One-time password (OTP) technology is a popular way to authenticate users or confirm a single network action. To verify the requested operation, the user has to enter a one-time code which they receive by email or SMS. This code works only once and is valid for a limited period of time.

Yurii Bitko
19 july 2023, 15:068 min
Blog
For beginners
One-Time Passwords: Authentication And More

As you may already know, a one-time password, or OTP, is a code that is valid for only one login session or transaction. You are likely already well acquainted with this technology, as it has by now been widely adopted by many businesses, from finance to online retailers.

Alex Kachalov
19 july 2023, 13:567 min
Blog
For beginners
World's Best Authentication Practices: One-Time Password (OTP)

A one-time password (OTP), often referred to as one-time PIN or dynamic password, is a password or passcode used to log into a system or application. Unlike regular passwords, though, it expires on its very first use and may also be valid only for a certain time period. In this article, we’ll explain how it works, discuss its potential benefits and show a few usage examples from top-tier companies.

Yurii Bitko
19 july 2023, 11:5112 min
Blog
For beginners
A List of Top SMTP Servers You Can Try For Free in 2023
Running email campaigns is an integral part of any successful marketing strategy. Choosing the proper SMTP service provider to help you achieve this goal makes the process way easier.
Alex Kachalov
26 june 2023, 12:1515 min
Blog
For beginners
Smart Host - What Is It?
An SMTP Smart Host is an intermediary server between the sender's server and the email recipient's server.
Alex Kachalov
05 may 2023, 12:246 min
Blog
For beginners
The Differences Between Dedicated and Shared IPs: Which Is Better For You?
Marketers often ask themselves whether they should use a dedicated or a shared IP address to send emails. IP reputation plays a big role in the deliverability of your emails, so it’s a very important question. There’s no universal answer; it depends on what you need.
Denys Romanov
27 april 2023, 20:2811 min
Blog
For beginners
Marketing Gambling and Online Casino Services via Email
Email marketing is one of the best ways to advertise online gambling services. It outperforms other marketing mediums like social media and search engine ads. However, you must ensure to follow the required laws and regulations.
Alex Kachalov
27 april 2023, 17:169 min
Blog
For beginners
REST API: How It Works, Its History, Benefits, and Common Challenges
REST APIs offer a flexible method of interconnecting different software applications. They enable apps to securely exchange information over the web. Whenever you’re using an app which is retrieving information from another, it’s likely a REST API at work.
Valeriia Dziubenko
27 april 2023, 17:1510 min
Blog
For beginners
6 Ways Email Marketing Software Can Help Businesses Easily Reach the Right Leads
Email marketing tools have become a crucial part of digital marketing strategy. With email marketing software, businesses can easily reach their target audience, engage with more people, and even improve their lead generation efforts. 
Yurii Bitko
17 march 2023, 09:435 min
Blog
For beginners
UniOne 2022: Novelties for Your Email Marketing
Throughout the entire year of 2022 we’ve enjoyed making our service more comfortable and feature-rich, to help our customers expand their business with the help of email marketing. In this article, we’re going to summarize last year’s novelties.
Vitalii Poddubnyi
20 february 2023, 17:505 min
Blog
For beginners
Commercial and Transactional Emails: the Differences
Transactional emails and marketing emails are both types of email communication. Having a lot in common, they are often confused with one another. However, while both types of emails can be used to engage with customers, they serve very different purposes.
Alex Kachalov
14 february 2023, 15:524 min
Blog
For beginners
Examples of Notification Emails and Best Practices
Notifications are essential for each and every website where users create accounts and perform assorted activities. You must keep your users informed about any changes to their account, e.g., password changes or billing updates.
Valeriia Dziubenko
09 february 2023, 10:3012 min
Blog
For beginners
Email Whitelist: What Is It Good For and Why Do You Need It
Whitelists are one of the essential things to know about if you engage with customers via email. They are a list of IP addresses or domains, created by internet service providers (ISPs), that are allowed to send emails to a specific mail server.
Denys Romanov
07 february 2023, 10:055 min
Blog
For beginners
Not Getting Blacklisted: Why Is It Important?
An email blacklist is a list of IP addresses and domains associated with spam activities. Such real-time lists are used by internet service providers (ISPs) and mailbox providers to protect users from spam.
Yurii Bitko
01 february 2023, 10:048 min
Blog
For beginners
How To Create an Email Newsletter - Templates, Design, Ideas
It's no secret that email marketing in 2022 is still a powerful tool for growing your business.
Alex Kachalov
31 january 2023, 22:1818 min
Blog
For beginners
IMAP, POP3, SMTP - All You Need to Know About Mail Protocols
When configuring an email client or application, you will encounter the terms POP, SMTP and IMAP. Which option will you choose, and why?
Alex Kachalov
31 january 2023, 21:355 min
Blog
For beginners
Spam Traps: What to Do First and Not Get Trapped
The primary source of email deliverability problems is the low quality of an address list, and spam traps are one of the main things to look for. You should regularly check your address list for spam traps and remove them if you want your messages to keep landing in the intended recipients' inboxes.
Yurii Bitko
02 january 2023, 10:001 min
Blog
For beginners
Case Study: How to Increase the Conversion Rates by Choosing the Right Solutions
As a partner of the Customer Data Platform (CDP) Institute, UniOne studies our users’ unique experiences and ways to improve their performance by employing a suitable customer relationship management (CRM) platform.
Alex Kachalov
21 december 2022, 09:001 min
Blog
For beginners
What Are They Used For?
An email tag is a short label that helps you organize and categorize your messages. You can use them to organize your email analytics and manage your contacts within an existing customer management system. 
Alex Kachalov
20 december 2022, 10:008 min
Blog
For beginners
Seed Lists: What Are They for and How to Use One?
Email marketing can generate a high return on investment, but there are many things you need to know to use it effectively. One of them is a seed list, which refers to a list of test email addresses that you use to monitor what happens in the inbox after sending a campaign.
Valeriia Dziubenko
15 december 2022, 10:005 min
Blog
For beginners
How to Encrypt Email: a Guide for Beginners
An email that isn't encrypted is like a postcard: malicious actors can intercept it easily. Hence, it's necessary to encrypt emails containing confidential data to prevent any form of tampering.
Denys Romanov
13 december 2022, 09:0010 min
Blog
For beginners
A Guide to "Thank You for Your Business" Emails: Tips and Examples
Any business needs to be smart about its marketing, which means finding ways to improve its reputation and attract customers. A simple way to accomplish this is by sending customers an email that says "thank you for your business".
Valeriia Dziubenko
08 december 2022, 10:0310 min
Blog
For beginners
Best Practices for Email Security of All Times
Digitization is spreading around the globe and making it easier for people to communicate and coordinate tasks. However, it carries significant risks, with cyber-attacks being the most prominent one.
Denys Romanov
06 december 2022, 10:369 min
Blog
For beginners
Emails in the Cookieless World
Artificial intelligence is becoming ingrained in our lives as digitization spreads to all sectors. However, despite the advantages, people feel vulnerable because of the volume of information that artificial intelligence systems can gather about them.
Alex Kachalov
05 december 2022, 09:411 min
Blog
For beginners
Reporting Scam Emails: How and Where
Scam emails are one of the Internet’s biggest problems. The web provides a venue for dispersing information across the globe to billions of people and also a venue for widespread malicious activities.
Yurii Bitko
01 december 2022, 10:038 min
Blog
For beginners
Holiday Email Marketing Strategies: What and When
A major holiday season is coming, and it’s a time when people expect to receive lots of holiday-themed emails. Holiday shopping represents an enormous market.
Valeriia Dziubenko
29 november 2022, 09:536 min