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
Return Path Email: Your Behind-the-Scenes Guide to Better Deliverability
Discover how return path email headers work, their role in authentication, VERP implementation, and custom configuration for improved deliverability.
Alexey Kachalov
07 january 2026, 09:34
Blog
For beginners
When is the Best Time to Send Your Email Newsletter?
When is the best time to send an email? Stats prove that the best time to send emails is Tue, Wed, or Thu. Read our guide to be aware of all the details.
Valeriia Klymenko
06 january 2026, 11:39
Blog
Amazon SES Alternatives To Consider in 2026
Discover the best alternatives to Amazon SES. Consider the pros and cons, pricing, documentation, and customer support and learn why alternative services might be a better fit.
Yurii Bitko
05 january 2026, 09:33
Blog
For beginners
6 No-Code App Builders for Coaches and Creators to Use in 2026
Create a coach or creator app easily with the best 2026 app builders without coding.
Denys Romanov
04 january 2026, 17:15
Blog
For beginners
5 Best Analytics Tools For Boosting E-commerce Strategy in Shopify [2026]
Can't Shopify sort out your data? Discover the tools that will transform your analytics in 2026!
Vitalii Piddubnyi
03 january 2026, 12:02
Blog
For beginners
10 Tools For Customer Communication To Consider In 2026 [Quick Overview]
Stay ahead of the curve in customer communication! Discover the solutions that will help you build lasting connections and improve your customer experience.
Alexey Kachalov
02 january 2026, 10:49
Blog
For beginners
10 Intuitive Email Builders To Try [Our 2026 Top]
Find the best and the most easy-to-use tool to create catchy email templates in 2026. Learn about 10 drag-and-drop email builders for a smooth user experience.
Denys Romanov
01 january 2026, 10:25
Blog
For beginners
UniOne in 2025: A Year of Smarter Email, Better Control, and Stronger Security
From smarter deliverability to better analytics and security, see how UniOne evolved in 2025 to give you more control over email sending.
Vitalii Piddubnyi
30 december 2025, 12:26
Blog
For beginners
Lawyer Email Marketing 101: From Compliance to Conversions for Modern Law Firms
Most email marketing for law firms dies in drafts. Learn the compliance shortcuts, automation tricks, and subject-line psychology that turn subscribers into clients.
Valeriia Klymenko
23 december 2025, 15:19
Blog
For beginners
How to send emails in Go (Golang) using SMTP and Email APIs
Learn how to send email in Go using SMTP and Email APIs. Includes code examples for HTML emails, attachments, async sending, and bulk operations.
Alexey Kachalov
17 december 2025, 13:07
Blog
For beginners
Targeted Email Marketing Strategies to Increase Revenue
Targeted email campaigns boost engagement rates, conversions, and customer loyalty. Here are practical tips on segmentation, personalization, and strategies for effective campaigns.
Valeriia Klymenko
10 december 2025, 12:12
Blog
For beginners
What is Web and Email Hosting? Get to Know Differences and Similarities
Learn the differences between web hosting and email hosting, and how to choose the right provider for secure and reliable digital operations.
Denys Romanov
03 december 2025, 14:10
Blog
For beginners
How to Send Emails in WordPress: A Complete Guide to Reliable Email Delivery in 2026
Learn how to fix WordPress email delivery problems with this complete guide to reliable email sending. Discover how to implement SMTP solutions in 2026.
Vitalii Piddubnyi
25 november 2025, 13:53
Blog
For beginners
What Is a Webhook and Why Do You Need It?
Learn what webhooks are, how they work, and why they matter for real-time integrations. Explore setup, testing, best practices, and security tips.
Alexey Kachalov
18 november 2025, 16:51
Blog
For beginners
Sending Emails from Excel: 4 Different Ways Explained
Learn how to send emails from Excel — from quick mailto links to VBA automation and Word Mail Merge. Choose the best method for your workflow.
Denys Romanov
12 november 2025, 13:02
Blog
For beginners
B2B Email Marketing Tools: 7 Best Services Compared
This article compares the best B2B email marketing software used to improve lead generation and drive sales. We evaluated key features, pricing plans, deliverability, and integration.
Valeriia Klymenko
29 october 2025, 11:08
Blog
For beginners
Is Your Email Encryption Really Working? TLS-RPT Knows the Truth
TLS-RPT monitors and reports mail encryption issues. Learn how it works, how to set it up, and how it complements MTA-STS, DANE, and TLS for full email security.
Alexey Kachalov
22 october 2025, 13:44
Blog
For beginners
DANE for Email: Making SMTP TLS Actually Trustworthy
DANE is a data security technique that helps validate your mail server’s TLS certificates to stop MITM attacks. Learn how it works, why it matters, setup steps, and pitfalls to avoid.
Alexey Kachalov
08 october 2025, 11:07
Blog
For beginners
Crypto Email Marketing. A Data Backed Approach to Permanent Growth
Discover practical email marketing strategies for cryptocurrencies to turn casual interest into stable results
Vitalii Piddubnyi
30 september 2025, 14:09
Blog
For beginners
Email Marketing Mobile Optimization – Everything You Need to Know
Mobile-optimized email marketing helps boost open rates, engagement, and conversions. Learn expert strategies on responsive design and best practices for reaching mobile users.
Denys Romanov
24 september 2025, 12:33
Blog
For beginners
Email Marketing for Restaurants: Strategies, Examples, and Automation Tips
Discover restaurant email marketing examples and strategies that will drive repeat sales. Learn how to automate campaigns, increase revenue, and build lasting customer loyalty.
Valeriia Klymenko
17 september 2025, 12:42
Blog
For beginners
Gym Email Marketing Guide To Raise Revenue and Earn Members’ Love
Set up email marketing for fitness that feels helpful, not pushy. Build clean lists, segment by goals, automate flows, and track revenue.
Vitalii Piddubnyi
09 september 2025, 12:40
Blog
For beginners
Email Marketing for Travel Agencies: Complete Guide to Get More Bookings
Increase bookings and customer retention with email marketing for travel industry: get effective strategies to attract more travelers and boost sales.
Valeriia Klymenko
03 september 2025, 07:10
Blog
For beginners
What Is Email Hosting, And Its Impact On Your Brand
Email hosting definition for buyers: map seat pricing, storage tiers, compliance add-ons, DNS records, encrypted transport, and admin tools that protect brand trust in every region.
Denys Romanov
27 august 2025, 09:34
Blog
For beginners
Franchise Email Marketing. How to Build a Reputation and Win Sales?
Grow smarter with email marketing software for franchises, where campaigns earn the real profits, increase prospect conversions, customer retention and loyalty
Vitalii Piddubnyi
20 august 2025, 07:16
Blog
For beginners
How to Build a Scalable E-commerce Tech Stack: Expert Interview with Antony Artiushin
UniOne's CTO discusses tech stacks, retention, and scaling from $100K to $1M+ monthly revenue with e-commerce infrastructure expert Antony Artiushin. Must-read for DTC brands.
Valeriia Klymenko
13 august 2025, 13:51
Blog
For beginners
MTA-STS: The Overlooked Email Security Layer You Actually Need
MTA-STS locks down email delivery with enforced TLS encryption. Learn how it works, why it matters, and how it compares to end-to-end encryption.
Alexey Kachalov
05 august 2025, 08:34
Blog
For beginners
Email Marketing for Agencies. A Simple Channel Brings Big Results
Email marketing for agencies demands precision — learn to create compelling campaigns that convert, retain clients, increase ROI, and scale your agency successfully.
Valeriia Klymenko
29 july 2025, 10:07
Blog
For beginners
Mastering HTML Emails: Pitfalls and Best Practices for Developers
Master HTML emails with our guide — learn coding, design, and troubleshooting tips to create great-looking, reliable emails on any device.
Vitalii Piddubnyi
16 july 2025, 11:26
Blog
For beginners
Email Marketing for Insurance Agencies: Boost Sales, Retention, and Client Loyalty
Discover how email marketing for insurance companies builds better relationships, nurtures leads, and drives growth. Learn top strategies to stay competitive and grow your client base.
Valeriia Klymenko
09 july 2025, 13:56
Blog
For experts
Send Emails in Ruby: A Practical Guide
Sending emails with Ruby made simple. Learn SMTP setup, Rails mailers, Mail gem tricks, and UniOne’s API. Encrypt traffic, avoid bounces and verify inbox delivery.
Denys Romanov
02 july 2025, 11:33
Blog
For beginners
Email Marketing for Real Estate. Double the Showings and Maintain Relations
Discover the power of email marketing for real estate agents to capture leads, double referrals, and save budget with smart campaigns
Valeriia Klymenko
25 june 2025, 07:25
Blog
For beginners
AI-Assisted Email Replies: Boon or Bane? Google’s New Gmail Feature Raises Eyebrows
Google's new AI-powered Gmail feature promises smarter, context-aware email replies by scanning your entire inbox and Drive – is it a productivity win or a privacy risk? Find out the pros and cons.
Alexey Kachalov
18 june 2025, 10:17
Blog
For beginners
Password Reset Email Examples. How to Turn Into Retention?
Start with the reset password email template and send secure, branded messages that reach the inbox in seconds.
Alexey Kachalov
04 june 2025, 14:36
Blog
For beginners
Email Marketing for Financial Services: Maximize Results with Effective Campaigns
Financial email marketing is essential to build trust and drive results. Learn how financial institutions can use email to increase conversions and strengthen client relationships.
Valeriia Klymenko
28 may 2025, 14:04
Blog
For experts
Send Email with Node.js: SMTP and API Methods
Send emails with Node.js using real SMTP and API methods. Learn how to avoid spam, handle errors, and send bulk messages.
Denys Romanov
21 may 2025, 10:01
Blog
For beginners
In The News: Google Will Help Promote Your Email Marketing Campaigns
In April 2025, Google introduced a new feature to use the content of your marketing emails in Search, Shopping, and Maps. Learn how to benefit from it.
Alexey Kachalov
07 may 2025, 09:37
Blog
For beginners
Email Marketing for Nonprofits. Build Relationships Through Emails
Maximize your impact with smart nonprofit email marketing tactics and strategies
Denys Romanov
29 april 2025, 11:19
Blog
For beginners
Ecommerce Email Marketing Strategies to Boost Sales and Engagement
Learn how email marketing for ecommerce can boost sales, engagement, and customer retention. Discover strategies and best practices for successful email campaigns.
Vitalii Piddubnyi
16 april 2025, 09:51
Blog
For experts
How to send Emails using Java and SMTP: A comprehensive guide
Learn how to implement email functionality in Java using Jakarta Mail, Spring Mail, and more. The article covers sending plain text, HTML, attachments, bulk sending, and best practices for reliable delivery.
Alexey Kachalov
09 april 2025, 09:38
Blog
For beginners
Healthcare Email Marketing Strategies to Boost Patient Engagement and Drive Sales
Learn how healthcare emails can enhance your messages for effective patient engagement. Take note of the best healthcare email marketing strategies and practices.
Valeriia Klymenko
02 april 2025, 12:32
Blog
For beginners
Top 20 Reasons Why We Still Use Email
Despite its old age and lack of rizz, email is still the cornerstone of private and business communication. We explore the top 20 reasons why email is still so important.
Denys Romanov
26 march 2025, 15:32
Blog
For beginners
Enterprise Email Marketing: Best Platforms and Use Cases
Discover the best enterprise email marketing platforms for your business needs. Learn the differences between ESPs, CDPs, and CRMs to enhance your email strategies and drive better results.
Vitalii Piddubnyi
19 march 2025, 11:46
Blog
For experts
How to use PHPMailer to send emails: The Complete Implementation Guide
Learn how to utilize PHPMailer in your web applications with this comprehensive PHPMailer tutorial. Discover why PHPMailer outperforms PHP's native mail() function, master sending HTML emails with attachments, and explore advanced features like SMTP authentication and error handling. Perfect for developers looking to add reliable email functionality to their PHP projects.
Alexey Kachalov
12 march 2025, 11:36
Blog
For beginners
Email Marketing for SaaS. Simple Tips for Success That Work
Discover how SaaS email marketing strategy can deliver real, measurable results
Valeriia Klymenko
05 march 2025, 14:31
Blog
For beginners
How to send email from an HTML form: 7 important things to know
Wondering how to use an html contact form to send email? This guide will give you a detailed outline of things you should know to create email-capable forms.
Denys Romanov
25 february 2025, 11:48
Blog
For beginners
Gmail and Yahoo Email Changes: What Email Senders Must Do
Stay updated on last year’s Google and Yahoo email policy changes. Learn how the new requirements affect email deliverability and how to adapt to them with UniOne's expert guidance.
Vitalii Piddubnyi
19 february 2025, 09:21
Blog
For beginners
5 Best Email APIs for Developers
Discover the best email API for developers with UniOne. Simplify email delivery, improve reliability, and gain detailed analytics with our user-friendly solution.
Alexey Kachalov
13 february 2025, 12:18
Blog
For beginners
PHP, Email, & Contact Form: Best Practices for Success
Learn essential tips for creating a secure, user-friendly PHP email contact form. Discover best practices for setup, data validation, and reliable email delivery.
Denys Romanov
05 february 2025, 11:29
Blog
For beginners
Email Delivery Issues: How to Identify and Fix Them?
Struggling with email deliverability issues? Learn how to fix them and ensure your emails always land in the inbox, boosting engagement and driving business success.
Valeriia Klymenko
29 january 2025, 13:41
Blog
For beginners
Mail Transfer Agent, The Key to Reliable Email Delivery
Explore Mail Transfer Agents (MTAs), the backbone of email delivery systems. Learn how they work, their key features, and best practices for reliable email communication.
Vitalii Piddubnyi
22 january 2025, 13:30