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DKIM for Email Security
Another DNS record you can add to improve email security
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In the last post I explained how to configure an SPF record to help improve email security.
Next up I’m going to show you how to add DKIM for email security when using AWS Route 53 for domain hosting.
Figure out how long your DKIM record can be
The first thing we need to understand with DKIM is the length of the record you want to add. Your email may provider may generate a DKIM record longer than the system where you need to enter the TXT record.
In my case, Google supports both 1024 and 2048 character DKIM records. If we head over to AWS and check the specifications for the DNS records AWS supports, we see that a text record can be up to…
