UniOne Blog

Blog
For beginners
How to Warm Up Email Domain: The Complete Guide to Better Deliverability
Tips and tricks of warming up your sending domains for better email deliverability.
Valeriia Klymenko
23 july 2026, 10:0815 min
How to Warm Up Email Domain: The Complete Guide to Better Deliverability
Valeriia Klymenko
23 july 2026, 10:0815 min
Delivery & Inbox Placement: Why Your "Delivered" Emails Are Secretly Hitting Spam
Andrew Dyuzhov
09 july 2026, 12:2210 min
How to Send Email with SMTP: Proven Methods
Yurii Bitko
07 july 2026, 23:395 min
Email Protocols Explained: SMTP, IMAP, and POP3
Alexey Kachalov
30 june 2026, 21:357 min

Recently published

Blog
For beginners
What is Drip Email Marketing?
What is an Email Drip Campaign? This is the automatic sending of emails to your audience at a set time based on their activity or their status change.
Yurii Bitko
08 february 2022, 09:37
Blog
For beginners
Funny Emails: Ways to Sign Off, Memes, Jokes, Greetings
Funny emailing and examples that boost your click-through rates and up more sales. Read this in UniOne Blog to use humor, jokes, and memes competently.
Valeriia Klymenko
04 february 2022, 13:14
Blog
For beginners
What Is BIMI and How to Use It in Email Marketing?
What is BIMI? Article from UniOne. Brand Indicators for Message Identification is a way to verify your brand information.
Denys Romanov
01 february 2022, 15:16
Blog
For beginners
How to Write an Appointment Confirmation Email?
How to write, design, and send the perfect appointment confirmation email? Here's what you should always include to ensure you get more repeat customers.
Denys Romanov
28 january 2022, 13:32
Blog
For beginners
You Need to Try This: 10 Best Email Design Examples for Email Marketing
Ten great email design trends to effectively reach your target audience, make high conversions and build long-term relationships with prospects and customers.
Valeriia Klymenko
25 january 2022, 16:15
Blog
For beginners
GDPR, Cookies and ePrivacy Directive
Read about General Data Protection Regulation, ePrivacy regulation, and cookie consent. Your company must comply with these rules and laws to be legal.
Denys Romanov
21 january 2022, 15:47
Blog
For beginners
Abandoned Cart Email Subject Lines Guide
Browse abandonment email examples - discover strategies to increase revenue for an eCommerce. Best templates for learning email subject lines in UniOne.
Yurii Bitko
14 january 2022, 23:06
Blog
For experts
How to Configure an SMTP Server Connection?
Tutorial on SMTP configuration procedures. Create an account: username and password, IP address, email. Learn more about tuning SMTP in our guide.
Alexey Kachalov
11 january 2022, 13:05
Blog
For beginners
The Difference Between Marketing Email and Transactional Email
Take a look at the difference between a marketing email & a transactional email. Our blog has what you need to know about each type of email with examples.
Denys Romanov
31 december 2021, 14:05
Blog
For beginners
What Is FBL and Do You Need It?
FBL is an email service that reports back complaints to senders in the event of a subscriber. Learn about how to implement them and which ISPs provide them.
Denys Romanov
28 december 2021, 11:17
Blog
For beginners
How to Get the Most Out of Your Transactional Emails
Best practices to make your transactional emails more effective and get more action out of these messages to boost engagement with your customers.
Yurii Bitko
07 december 2021, 15:19
Blog
For beginners
What Is a Transactional Email?
Transactional emails are automated emails of a non-advertising nature associated with an account activity or a commercial transaction in a service or application.
Valeriia Klymenko
07 december 2021, 13:58
Blog
For beginners
How to Comply With Can-Spam?
Can-Spam act creates a relationship between your business and the customers on your email list. Read all requirements to know to comply with spamming law.
Denys Romanov
06 december 2021, 14:09
Blog
For beginners
What is Conversion Rate Optimization (CRO)?
What does CRO stand for? Here’s everything you need to know about Conversion Rate Optimization to make your eCommerce site more profitable.
Yurii Bitko
03 december 2021, 15:26
Blog
For experts
How to Send Email Using PHP – Part 2
PHP sends email in several ways: 1. Built-in mail () function 2. Independent libraries 3. CMS tools 4. Integral framework tools 5. Specialized services API/SDK.
Alexey Kachalov
23 november 2021, 14:38
Blog
For experts
Apple’s Mail Privacy Protection
Apple's introduction of Mail Privacy Protection will effectively break the open rate and data that comes with it. They block email tracking with a single popup.
Alexey Kachalov
03 november 2021, 16:05
Blog
For beginners
Transactional Email Templates & Examples
In this article, we look at, and analyze, the best types of transactional email templates, with examples. Read further to make your emails more effective.
Valeriia Klymenko
28 october 2021, 10:02
Blog
For beginners
Tips for Making Your Transactional Emails More Personal
Learn how to put a personalized email together. Stand out from the competition for your individuality and avoid monotonous emails with the help of our tips.
Denys Romanov
27 october 2021, 15:24
Blog
For beginners
Email Deliverability: How to Improve It?
Having an issue with email delivery? Study this marketing guide about deliverability best practices and email sender scores with a checklist.
Valeriia Klymenko
27 october 2021, 14:49
Blog
For beginners
How to Build Your Own Email List
Create a mailing list for effective email marketing. Make your company's email database from scratch, naturally grow it, and attract more long-term customers.
Vitalii Piddubnyi
21 october 2021, 12:23
Blog
For beginners
Your Guide To Email Design
Anatomy of a perfect email. Dos and Don'ts in email design. Find out more on our UniOne blog.
Denys Romanov
20 october 2021, 16:25
Blog
For beginners
Best Template Ideas for Your Holiday Email Marketing
Holiday email to the client: selection samples to strengthen your relationship with your customers and tips for happy holidays email templates in UniOne Blog.
Valeriia Klymenko
20 october 2021, 14:55
Blog
For beginners
15 Email Layout Mistakes That Lead To Spam
We Will Tell You About Typical Mistakes In The Layout Of Letters And Show You How To Fix Them. Useful Email Marketing Articles And Cases On UniOne Blog.
Yurii Bitko
25 june 2021, 12:41
Blog
For beginners
How To Automate Your Emails And Sales
Triggers, series of letters and auto funnels. How to shift some of your responsibilities onto the shoulders of a robot. Useful articles and cases on the UniOne blog.
Yurii Bitko
22 june 2021, 12:41
Blog
For experts
How to Send Email Using PHP – Part 1
Send emails with PHP via an external SMTP server from UniOne. Use HTML formatting, make attachments and send emails to multiple recipients using PHP.
Alexey Kachalov
15 june 2021, 12:41
Blog
For beginners
Why Do My Emails Go to Spam?
How to avoid sending spam. Five reasons and their solutions. Valuable articles and case studies on email marketing on the UniOne blog.
Yurii Bitko
01 june 2021, 20:30
Blog
For beginners
How to Personalize Your Emails for Better Sales?
Here are 6 ideas for how to personalize your newsletters and increase your email marketing revenue. Useful articles and cases on UniOne blog.
Valeriia Klymenko
01 june 2021, 12:40