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Why is my SPF failing?

Table of Contents

  • Why is my SPF failing?
  • How do I fix too many SPF lookups?
  • How do you clean up SPF records?
  • Why are there no SPF records found?
  • How do I check my SPF record in Office 365?

Why is my SPF failing?

SPF authentication failures can happen due to the following reasons: The receiving MTA fails to find an SPF record published in your DNS. You have multiple SPF records published in your DNS for the same domain. Your ESPs have changed or added to their IP addresses which have not been updated on your SPF record.

How do I fix too many SPF lookups?

If there are too many SPF lookups you can use the SPF delegation tool in order to resolve the “Too many lookups” issue, replace your existing policy with the one provided by the DNS delegation tool. The DNS delegation tool will keep the SPF record up to date whenever one of the included ESPs change their records.

What happens if SPF record is missing?

An SPF record is a requirement for most email providers. If the record is not found, then the mailing list will most likely end up in the “Spam” folder. The same will happen if the SPF Record exists, but the IP address from which the message is sent is not present in the allowed list.

How do you clean up SPF records?

Optimizing your SPF Record Remove obsolete email sources from your DNS. Use IP4/IP6 mechanisms instead of A and MX. Keep your number of INCLUDE mechanisms as low as possible and avoid nested includes. Do not publish more than one SPF record for the same domain in your DNS.

Why are there no SPF records found?

Stopping the “No SPF Record Found” Message All you need to do is: Choose if you want to allow servers listed as MX to send emails for your domain. Choose if you want to allow current IP address of the domain to send email for this domain. Fill in the IP addresses authorized to send emails from your domain.

Are SPF records deprecated?

DNS record type of SPF (type 99) is deprecated and should not be used.

How do I check my SPF record in Office 365?

Office365

  1. Sign in to your domain account at your domain host.
  2. Locate page for updating your domain’s DNS records (e.g., DNS Management, Name Server Management, Advanced Settings).
  3. Find your TXT records to check if you have an existing SPF record (record will start with v=spf1).

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