Email deliverability under PECR and UK GDPR: valid opt-in, soft opt-in, lawful basis, erasure and suppression, list cleaning, ICO records and the 2025 Act.
Email deliverability for UK senders rests on five post-Brexit checks: adequacy, standard contractual clauses, subprocessors, consent and cross-border routing.
Compare Klaviyo and Mailchimp for UK deliverability and pricing, with contact-tier figures, VAT notes and a seed test plan for BT, Sky, Outlook and Gmail.