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Need filter for Postfix: MIME headers, multipart, etc

There are several sites out there that 'describe' mime_header_checks, but no actual examples on how to allow MIME headers, multipart messages, HTML embedded e-mails, etc.

So does anyone have a good example site, tutorial or even had problems like this in the past?
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Michael Worsham
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Michael Worsham
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bevhostCommented:
MIME headers, multipart messages, HTML embedded e-mails are allowed by default already.

Can you explain what you actually need to know?
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Michael WorshamInfrastructure / Solutions ArchitectAuthor Commented:
When a user tries to send an email out, multipart and text/html headers are getting 'lost' while regular text e-mails are getting through fine. Postfix server is configured to use SSL for incoming/client use and TLS for outgoing (which is a requirement as these e-mails have encrypted data embedded in them).
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bevhostCommented:
Probably getting caught in someones spam filter.
Check the logs on each server it hops through.
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Michael WorshamInfrastructure / Solutions ArchitectAuthor Commented:
Determined that since there was no rDNS setting in the primary DNS, it was failing some SMTP sites reverse IP address lookups, thus being denied delivery.
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