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20th Feb 2024
SPF PermError: Too Many DNS Lookups - When SPF Record Exceeds 10-DNS-Lookup Limit

"SPF PermError: too many DNS lookups" is a common error seen in many SPF (Sender Policy Framework) implementations. When an often overlooked SPF 10-DNS-lookup limit is exceeded, an SPF PermError, aka SPF permanent error, is returned. SPF PermError's can affect your email deliverability…

SPF SPF PermError Too Many DNS Lookups
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20th Feb 2024
The Fastest Way to Set Up DMARC, DKIM, and SPF: Easy Email Authentication Deployment Explained

People tend to think of setting up email authentication with DMARC, DKIM, and SPF as time-consuming and error-prone because they have to search the Web for various articles and tools to achieve a simple DMARC, DKIM and SPF setup. This can take days for those who aren't proficient in email authentica…

DMARC DKIM SPF Set Up
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20th Feb 2024
Wat kan SPF PermError veroorzaken?

Wanneer het SPF-record op een domein niet correct kan worden geïnterpreteerd, retourneert SPF een PermError (permanent error). In tegenstelling tot een SPF TempError (temporary error), vereist een SPF PermError dat een systeembeheerder maatregelen neemt om het probleem te verhelpen…

SPF SPF PermError
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20th Feb 2024
What is An SPF Record and How does It Work: SPF Record Explained

An SPF record is a TXT record published in the DNS by the domain owner, which specifies a whitelist of IP addresses allowed to send emails on behalf of the domain. When an email reaches the receiving server, the server will look up the SPF record in the DNS, and perform a check to determine if the e…

Sender Policy Framework SPF SPF Record SPF Mechanism SPF Modifier SPF Qualifier SPF Evaluation
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20th Feb 2024
What Is Automatic/Dynamic SPF Record Flattening and How It Fixes the SPF PermError: Too Many DNS Lookups Issue

When the SPF PermError: Too Many DNS Lookups issue strikes, your email deliverability can take a bad hit due to SPF fail. We will explain how automatic/dynamic SPF record flattening can solve this problem below.

Nowadays, more and more services are necessary to run online operations on a day-to-…

SPF Automatic/Dynamic SPF Record Flattening SPF PermError Too Many DNS Lookups
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20th Feb 2024
How to Set Up SPF and DKIM for SendGrid

When you first set up SendGrid to send emails, you may find there is a "Via SendGrid" warning for the email in the recipient's mailbox.

This warning means you haven't authorized SendGrid to deliver emails for you, so the mailbox provider considers that sent from SendGrid instead of your brand…

SPF DKIM SendGrid Email domain authentication
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 Popular Articles
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  • What is An SPF Record and How does It Work: SPF Record Explained
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