SPF is a DNS record, as are DKIM records, there's numerous guides out
there to create/configure both. It'll partly depend on your mail system
and how it routes mail through what MTA, etc.
I am not affiliated with any of these blogs:
"How to Set Up an SPF Record in 5 Simple Steps" -
https://www.validity.com/blog/how-to-build-your-spf-record-in-5-simple-steps/
Cloudflare has a nice explanation of DKIM records -
https://www.cloudflare.com/learning/dns/dns-records/dns-dkim-record/
These instructions should still work for doing the DKIM setup on a
Postfix mailer -
https://easydmarc.com/blog/how-to-configure-dkim-opendkim-with-postfix/
If you use a third party sender and not an on-prem Postfix or such then
the configuration gets more difficult, complex, or custom.
Thomas
On 2025-09-09 20:56, jko...@luc.edu wrote:
Thank you for the reply. Are there a good set of instructions for setting up
SPF and DKIM?
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