Basics
What is DMARC? A simple guide for SMEs
How DMARC protects your domain from spoofed senders and what the three levels mean.
3 min read
Guides
Email security explained clearly
Short guides for management and IT at SMEs: what is behind SPF, DKIM and DMARC, why emails land in spam and how to protect your domain against forgery.
Basics
SPF explained: who may send for your domain?
Which servers may send for your domain – and the most common mistakes in the SPF record.
3 min read
Basics
DKIM explained: the digital signature for your emails
How the digital signature makes your emails forgery-proof and what to watch for with the keys.
3 min read
Protection against fraud
Preventing fake invoice emails: a guide for SMEs
How fraudsters operate with fake invoices and changed bank details – and how to protect yourself.
3 min read
Practice
Why do my emails land in spam? Causes and fixes
The most common technical reasons your emails don’t arrive, and what helps against it.
3 min read
Practice
The path to p=reject: step by step
Five steps from p=none to p=reject – without losing legitimate emails.
3 min read
How does your domain measure up?
DomainRadar continuously checks the SPF, DKIM and DMARC of your domains and tells you in plain words what to do.
Or directly by email: info@domainradar.ch