Qboxmail Blog

World map highlighting Qboxmail's participation in ICT events in Italy, Spain, France and Miami in October and November 2026.
News

Qboxmail at ICT Events in October and November 2026: Where to Meet Us

Seven events across Italy, Europe and the United States, talks on digital sovereignty and email security, and new opportunities to meet ICT professionals and businesses. Our event calendar kicked off on October 21–22 with MSP Global 2026 in Barcelona, where...

Illustration of a blocked email with IP address 151.16.145.14 and an error message reading "451: IP Blocklisted".
Deliverability

IP Blocklisted: causes, how to check, and how to fix it

Are emails sent from your SMTP server being rejected? Are you receiving error messages indicating an issue with your IP address reputation? When an email sending IP is blocklisted, receiving mail servers that use the blocklist may block or filter...

Diagram of email provisioning via API, showing the two-way connection between an email provider's infrastructure and a reseller's email provisioning platform.
API

Email Provisioning via API: How to Automate Email Service Management for Your Customers

For resellers and MSPs managing email services for multiple customers, tasks such as creating domains and mailboxes, configuring accounts, or modifying services can become repetitive as the number of managed resources grows. Email provisioning via API allows you to integrate...

illustration of several dialogue clouds with the flags of spain, portugal, sweden, and holland inside and two big blue and blue centerpieces with a Chinese letter and character
News

Multilingual Webmail: All Languages Available on Qboxmail

Webmail Available in Multiple Languages Managing email services for customers and businesses operating in different countries requires easy-to-use tools, even when users speak different languages. Qboxmail's multilingual Webmail is available in 13 languages, allowing each user to access the interface...

Learn what PTR records and Reverse DNS are, how to check their configuration, and why DNS inconsistencies can cause email delivery issues.
Deliverability

PTR Record and Reverse DNS: How DNS Configuration Issues Can Block Email Delivery

An SMTP server may be working correctly and successfully establish a connection to the recipient’s MX server, yet some emails may still be rejected. In these cases, one of the first things to check is the Reverse DNS of the...

Specialized email provider for businesses and resellers
Other

When to choose a Specialized Email Provider for Businesses and Resellers

Email remains one of the key tools for business communication, and behind the simple act of sending and receiving a message lie a wide range of requirements: protecting accounts, ensuring service continuity, managing domains and mailboxes, performing backups, controlling email...

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