Ratgeber zur E-Mail-Authentifizierung

Ratgeber

Praktische, unkomplizierte Ratgeber zu SPF, DKIM und DMARC. Beheben Sie, was defekt ist, und halten Sie Ihre E-Mails aus dem Spam.

Alle BIMI Deliverability DKIM DMARC Reporting Security SPF

spf

How to Set Up an SPF Record

SPF lists which servers may send mail as your domain. Here is how to build the record correctly, end it with a strong policy, and stay under the lookup limit.

02.07.20264 Min. Lesezeit

spf

How to Fix the SPF Too Many DNS Lookups Error

SPF fails with a permerror once your record needs more than ten DNS lookups. Here is why it happens and three reliable ways to get back under the limit.

02.07.20266 Min. Lesezeit

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