Insights & Expertise
Human+AI, data, CRM and intelligent systems: what we learn building and operating, and the studies we publish.
Why Your HubSpot or Klaviyo Emails Still Land in Spam (And What to Fix)
You’ve set up SPF, DKIM, and DMARC. You’ve cleaned your list. You’ve even hired someone to write better subject lines. And yet, your HubSpot or Klaviyo campaigns keep sliding into spam folders – sometimes silently, sometimes catastrophically. The question of why HubSpot emails go to spam haunts marketing teams that have done everything the platform […]
DMARC, DKIM, SPF in 2026: The No-BS Technical Guide for Email Senders
If you’re sending more than 5,000 emails per day and haven’t locked down your authentication stack, you’re already behind. Google and Yahoo’s 2024 enforcement requirements weren’t a suggestion – they were a permanent shift in how inbox providers evaluate sender trust. This SPF DKIM DMARC setup guide exists because the gap between “technically configured” and […]
Shared IP vs Dedicated IP: When Your Email Neighbors Are Killing Your Deliverability
The Mailgun State of Deliverability 2025 report confirms what high-volume senders already suspected: more than 20% of commercial emails in the US and Canada never reach the inbox. At Yahoo, AOL, and Hotmail, GlockApps data shows 1 in 4 emails fail inbox placement entirely. For many senders, the root cause isn’t their own content or […]
ESP Migration Without Losing Deliverability: The Step-by-Step Playbook
ESP migration is the single highest-risk moment in an email program’s lifecycle – and most teams underestimate it. A platform switch that takes deliverability from 98% inbox placement to 40% can erase months of revenue in days. Data Innovation, a Barcelona-based CRM and deliverability consultancy orchestrating over 10 billion emails monthly across more than 10 […]
IP Warming Done Right: What Managing 50+ Dedicated IPs Across Multiple MTAs Taught Us
Most ip warming email guides read like they were written by someone who warmed a single IP once, on one platform, sending to one mailbox provider. The reality at scale is unrecognizably different. Data Innovation, a Barcelona-based CRM and deliverability consultancy orchestrating over 10 billion emails monthly across more than 10 countries, has documented that […]
Mautic + Managed Infrastructure vs Mailchimp, HubSpot, Klaviyo: The Operator’s Honest Comparison
The mautic vs mailchimp debate usually gets framed as “free-but-painful open source” against “polished-but-expensive SaaS.” That framing is outdated. Data Innovation, a Barcelona-based CRM and deliverability consultancy orchestrating over 10 billion emails monthly across more than 10 countries, has documented that organisations exceeding 50,000 contacts consistently reduce total email marketing costs by 40–60% when migrating […]
Categories
- CRM Optimization & Deliverability 184
- AI & Business Automation 107
- ESPs & Marketing Automation 92
- Martech & Industry Trends 82
- Data Strategy & Analytics 51
- Email Design, UX & Conversion 32
- Trends, Future & Digital Ecosystems 25
- Privacy, Trust & Digital Ethics 23
- CRM Strategy & Customer Lifecycle 18
- Content Production & Brand Systems 10
- Consulting & Advisory Practice 10
- Research, Philosophy & Thought Leadership 10
- Research 1