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Jonas SponåsInfoSec & IT Management
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Jonas Sponås

How to: Include more than 10 DNS lookups in SPF

I have talked about the benefits of SPF in an earlier article. It's a crucial part of e-mail security. But you can only have 10 DNS lookups in your SPF. What do you do if you hit that limit?...

July 4, 2019

Jonas Sponås

I’m an IT Operations Manager and have worked with IT operations for more than 10 years. I live in Holmestrand, Norway

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Recent Posts

  • Good practice, Part 7: Digital e-mail signatures July 8, 2019
  • How to: Include more than 10 DNS lookups in SPF July 4, 2019
  • The Hydro cyber attack: How you can protect against it March 21, 2019

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