On Fri, May 30, 2014 at 11:15:09AM +0530, tejas sarade wrote:
> > Apart from mislabeling what is most-likely in fact a CTE of "8bit" rather
> > than binary, what problem does this actually cause?
>
> The problem is that Postfix frequently dropping connection of connection
> exchange server with error
> 502 5.5.2 Error: command not recognized
> I checked from the tcpdump that headers contain the following line.
> Content-Transfer-Encoding: binary
> And some of the characters in the binary data causing Postfix to interpret
> as end of data character.
> and remaining content is detected as error. 'non-compatible SMTP command'.
>
> > The transport of true BINARYMIME content generally also requires
> > CHUNKED encoding, which is also not supported by Postfix. I dimly
> > remember dealing with a bug in Exchange along these lines a long
> > time ago, and thought it was fixed not long after. How ancient is
> > the Exchange system in question.
>
> It is Exchange 2007
I think you're too many patches behind. Don't recall whether this
was fixed in a patch (aka hotfix) or a later release.
--
Viktor.
