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Blog

Blog, business, spam, tech

MSUI – What is it? Why do I need it? How do I get started?

Managed Service Providers (MSP) and System Integrators (SI) face a common challenge – administering ...

Blog, security, spam, tech

The DKIM replay attack, and how to mitigate

The DKIM replay attack is a way that spammers try to bypass spam filters by impersonating reputable ...

Blog, security, spam, tech

Halon and Spamhaus in email security partnership

We are excited to announce that Halon now provides official integration with Spamhaus Technology ant...

Blog, spam

What to remember when you hate on spam

Did you open your mailbox this morning, only to find a few more of those obnoxious spam emails? Did ...

Blog, security, spam

Why everybody should use DMARC to prevent phishing

Email is a major source of phishing and malware attacks. The Locky ransomware solely contributed to ...

github, Blog, spam, tech

Using reCAPTCHA to handle spam misclassification

Today’s leading spam filter technologies offer a very high degree of accuracy. In this blog I’ll des...

Blog, spam, tech

Fight outbound spam and increase deliverability

Many email providers such as web hosts, ESPs and even VPS providers are familiar with the consequenc...

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Developed by a global team of front-running email security experts.

Est in 2006.

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