DomainKeys Sendmail DNS
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22-07-2019 - |
Question
What steps do I have to take to configure my sendmail server to implement domainkeys properly?
Also what do I have to do on the DNS end?
Solution
There are detailed descriptions on the web. For example:
OTHER TIPS
I had success with dkfilter. On the dns side you need to setup 3 TXT entries:
(blank).domain.com value="YOUR-SPF-CODE-HERE"
(get your spf code at openspf.org)
_sldomain.domain.com value="o=~"
yourselector._sldomain.domain.com value="YOUR-PUBLIC-DOMAIN-KEY"
Generate your public domain key like shown in this tutorial: http://www.howtoforge.com/postfix_dkfilter_domain_keys_implementation
Download dkfilter here: http://jason.long.name/dkfilter/
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