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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?

Daniel Kivatinos
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2 Answers2

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There are detailed descriptions on the web. For example:

animuson
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Brian Clapper
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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/

user10306
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