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CREATE DKIM KEYS and DNS Resource Record:
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=========================================
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To create DomainKeys Identified Mail keys, visit:
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http://dkim.worxware.com/
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... read the information, fill in the form, and download the ZIP file
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containing the public key, private key, DNS Resource Record and instructions
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to add to your DNS Zone Record, and the PHPMailer code to enable DKIM
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/*** PROTECT YOUR PRIVATE & PUBLIC KEYS ***/
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You need to protect your DKIM private and public keys from being viewed or
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accessed. Add protection to your .htaccess file as in this example:
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# secure htkeyprivate file
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# secure htkeypublic file
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(the actual .htaccess additions are in the ZIP file sent back to you from
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http://dkim.worxware.com/
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A few notes on using DomainKey Identified Mail (DKIM):
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You do not need to use PHPMailer to DKIM sign emails IF:
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- you enable DomainKey support and add the DNS resource record
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- you use your outbound mail server
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If you are a third-party emailer that works on behalf of domain owners to
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send their emails from your own server:
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- you absolutely have to DKIM sign outbound emails
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- the domain owner has to add the DNS resource record to match the
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private key, public key, selector, identity, and domain that you create
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- use caution with the "selector" ... at least one "selector" will already
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exist in the DNS Zone Record of the domain at the domain owner's server
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you need to ensure that the "selector" you use is unique
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Note: since the IP address will not match the domain owner's DNS Zone record
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you can be certain that email providers that validate based on DomainKey will
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check the domain owner's DNS Zone record for your DNS resource record. Before
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sending out emails on behalf of domain owners, ensure they have entered the
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DNS resource record you provided them.
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PS. if you need additional information about DKIM, please see:
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http://www.dkim.org/info/dkim-faq.html