GDPR-compliant email marketing — consent, double opt-in, logging
When you may send emails, what double opt-in, opt-in logging and soft opt-in mean — and what a bought list actually risks.
Martin Rau
E-Mail-Marketing
in Marketing
Newsletter-Strategie, Segmentierung, Lifecycle- und Trigger-Mails, Deliverability und KPIs.
Encyclopedia
Reading email marketing KPIs in 2026 — open rate is dead, what counts now?
Open rate, CTR, CTOR, conversion rate, engagement score and revenue per email — what Apple MPP and iOS 18 distort and which metrics still hold up.
Martin Rau
Newsletter Strategy — Segmentation, Frequency and Lifecycle Mails
Newsletter strategy as a system — segmentation, double opt-in, frequency, lifecycle and trigger mails, re-engagement and KPIs working together.
Martin Rau
Transactional vs. Marketing Email — Architecture, Providers, Legal Separation
Why confirmation emails and newsletters need separate sending paths — technical, legal, organizational. With provider comparison and GDPR framing.
Martin Rau
News
Apple Mail and Gmail overwrite the preheader with AI summaries
If you carefully craft preheaders, you no longer see them in the Apple inbox. What senders need to know and how to write AI-readable mails.
Redaktion
BVDW guide 2026: two new KPIs for the AI-agent inbox
Germany's BVDW guide from 18 March 2026 introduces AI Agent Approval Rate and Meaningful Interaction Rate. What the KPIs are worth and what they change.
Redaktion
One year of Outlook DMARC enforcement: from junk folder to hard reject
Since May 2025 Outlook requires SPF, DKIM and DMARC above 5,000 mails/day. What a year of enforcement has changed for DACH senders.
Redaktion