On Tue, Nov 23, 2010 at 03:06:33AM +0900, vfx9as wrote:

> (10/11/22 14:05), vfx9as wrote:
> > >
> > > The problem is the order of processing
> > >
> > > sendmail   Line splitting & CR Handling -> milter  # Authentication 
> > > Success
> > > postfix    milter -> Line splitting & CR Handling  # Authentication 
> > > failure
> postfix, sendmail differences in behavior problems.
> Which Is the right process?

Which is the right question?

Postfix sensibly performs message inspection on input.

Postfix only performs content downgrade (to 7bit, or to SMTP line length
limits) on output, as some channels don't need the downgrade.

Therefore, if you want to sign mail, you MUST hand Postfix email that
does not need to be downgraded.

One approach is to sign in post-queue content filters, and to force
content downgrades when delivering into the content filter, so that
the filter sees "normalized" email. Better yet, send email that
requires no downgrading.

-- 
        Viktor.

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