Problem with MailScanner, postfix and corrupt mails

[Dean Jones]

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Julian Field wrote:
> Can you give us more details on the Cyrus problem you had? Would be
> worth adding this to the FAQ to help other people.
>

Ok, i'll throw some more details out at the cost of embarrasing myself ;)

Basically on my solaris boxes i compile stuff from scratch.
so for my mailscanner system i compiled:
cyrus-sasl, openssl, perl, berkely db, postfix and a bunch of other
non-related stuff.

I had set up postfix first and tested the TLS stuff (which is why i
needed cyrus-sasl and openssl to compile TLS into postfix) and the TLS
stuff was working.

but during my setup of MailScanner i had changed which user postfix runs
  as and that user didn't have permission to read the cyrus-sasl
libraries. (doh)

I'm not 100% sure of the next part but it seemed a very small percentage
of MailScanner messages require that library for some reason??

So i was debugging MailScanner to check out some spamassassin rules i
had created and on one of the debug attempts i noticed there was an
error accessing that sasl library.
It looked like a rather ugly error as well.

so i just gave the mailscanner/postfix user read access on the libraries
and that problem went away.

And since that point there have been no corrupt mails but that might
just be coincidence?

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