This email management guide walks UK Plesk users through Setting Up SPF Records on Plesk Obsidian. Steps apply to any managed Plesk hosting plan — including smartxhosting.uk/web-apps where Plesk is bundled with EU data-centre hosting, free SSL, daily backups, WP Toolkit and UK business-hours support.
What Is SPF (Sender Policy Framework)? · Why SPF Matters for Email Deliverability · Where to Find Your SPF Record in Plesk · Understanding the Default SPF Record · How to Edit Your SPF Record · Adding External Email Services · Testing Your SPF Record · Common SPF Mistakes to Avoid · SPF, DKIM, and DMARC — The Full Picture · FAQ
Plesk Obsidian is a mature web-hosting control panel used by hundreds of thousands of hosting customers worldwide. It centralises the management tasks a typical UK website owner or agency needs:
On smartxhosting.uk, Plesk runs on Hetzner EU infrastructure with UK-hours support and UK VAT billing.
SPF, DKIM and DMARC improve e-mail deliverability from your domain:
Plesk generates SPF and DKIM automatically when you create a mailbox. DMARC you add manually — start with p=none for monitoring, move to p=reject once aligned. smartxhosting.uk mail includes a Mail Hardener DMARC policy by default.
Navigate to the relevant Plesk area:
Plesk exposes the setting up spf records data in a structured, UK-SME-friendly format. Key metrics:
On managed smartxhosting.uk plans, the same data is visible in the client area dashboard alongside billing metrics.
SPF, DKIM and DMARC improve e-mail deliverability from your domain:
Plesk generates SPF and DKIM automatically when you create a mailbox. DMARC you add manually — start with p=none for monitoring, move to p=reject once aligned. smartxhosting.uk mail includes a Mail Hardener DMARC policy by default.
Preventive steps that reduce the chance of this issue recurring:
SPF, DKIM and DMARC improve e-mail deliverability from your domain:
Plesk generates SPF and DKIM automatically when you create a mailbox. DMARC you add manually — start with p=none for monitoring, move to p=reject once aligned. smartxhosting.uk mail includes a Mail Hardener DMARC policy by default.
Q: Do I need a specific Plesk licence for this feature?
A: Most features described here are included on all managed smartxhosting.uk Plesk hosting plans. Advanced features (WP Toolkit Deluxe, Developer Pack) may require plan upgrade.
Q: Does this work on both Linux and Windows Plesk?
A: Yes — Plesk Obsidian is cross-platform. smartxhosting.uk runs Plesk on Linux; feature parity is close on Windows but file paths and service names differ.
Q: Is this guide for Plesk Obsidian or an older version?
A: Plesk Obsidian (18.x) is assumed throughout. smartxhosting.uk keeps Plesk on the latest stable branch, so UK customers are always on Obsidian.
Q: How does this feature interact with UK GDPR?
A: Any personal data processed via this feature falls under UK GDPR. Ensure your privacy notice reflects the processing, apply encryption where applicable, and document the processing in your data-processing inventory.
Q: Can I automate this via the Plesk API?
A: Yes — Plesk exposes a CLI and XML/REST APIs for automation. smartxhosting.uk managed hosting allows API access for tasks that do not require root.
Q: How do I access Plesk if I am a smartxhosting.uk customer?
A: Log in to smartxhosting.uk client area → Services → Login to Plesk. SSO takes you straight into the panel.