Website Guides

30+ practical guides on GDPR, accessibility, security and EU e-commerce law — written for small businesses.

GDPR & Privacy

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Email Marketing

Double Opt-in: Required or Not? It Depends on the Country

Updated

Double opt-in is required in Germany, recommended in Austria, and optional elsewhere in Europe. Here's what the law says in each country and how to set it up.

7 min read · Updated Apr 2026

Newsletter Signup Forms: GDPR Requirements

Updated

Your newsletter signup form needs more than a checkbox. Here are the GDPR rules for email consent, what to store and how to avoid common mistakes.

8 min read · Updated Apr 2026

Pre-checked Signup Boxes Are Illegal: Here's Why

Updated

Pre-checked checkboxes for newsletters and marketing don't count as valid consent under GDPR. The Planet49 ruling made this clear. Here's what to fix.

9 min read · Updated Apr 2026

SPF, DKIM and DMARC: Email Security in Plain Language

Updated

SPF, DKIM and DMARC explained simply. Learn what they do, why you need them and how to set them up for your domain.

7 min read · Updated Apr 2026

Why Your Business Emails End Up in Spam (And How to Fix It)

Updated

Business emails landing in spam? You're probably missing SPF, DKIM, or DMARC records. Here's what they are and how to set them up.

7 min read · Updated Apr 2026

Email Marketing Consent: Country-by-Country Rules

Updated

Email marketing rules differ across Europe. Here are the consent requirements for the Netherlands, Germany, UK, Belgium and more.

10 min read · Updated Apr 2026

The Soft Opt-in Exception: When You Can Email Without Consent

Updated

The soft opt-in lets you email existing customers without explicit consent. But strict conditions apply. Here's how it works.

7 min read · Updated Apr 2026