Problems with 5.1.1 milter

[Shawn Iverson]

Yes, that is definitely a problem.  This must be a bug in msmail.pm causing
this.  The header functions had to be rewritten to be postfix independent.
It is not checking for a continuation line at the end of the header. I will
take a look.

On Sun, Oct 7, 2018 at 10:17 PM Mark Sapiro <mark at msapiro.net> wrote:

> Shawn Iverson wrote:
>
> > There's a performance fix in this commit that should help with most of
> > this.  The crashing is likely from partially written messages in the
> > milterin queue as a result of not writing the file in a single pass.  I
> > hope to get a few more issues resolved before doing another release.
> >
> >
> https://github.com/MailScanner/v5/commit/5083b4e0f0eecbec84a5ab94538b0ffbe35f90f1
>
>
> I've been doing a bit more testing. I installed the above change, and
> even with that I see this issue.
>
> I submit a message whose headers end with
>
> MIME-Version: 1.0
> Content-Type: multipart/alternative;
>         boundary="b1_f5bca29580e2b9cb455f487aa1a5bd28"
>
> And the resultant message after MailScanner has headers ending with
>
> MIME-Version: 1.0
> Content-Type: multipart/alternative;
> X-msapiro-MailScanner-ID: 12CA95A5DC.AD7FE
> X-msapiro-MailScanner: Found to be clean
> X-msapiro-MailScanner-SpamCheck: not spam, SpamAssassin (not cached,
>         score=1.132, required 6, DKIM_SIGNED 0.10,
>         HEADER_FROM_DIFFERENT_DOMAINS 0.00, MIME_NO_TEXT 1.00,
>         RCVD_IN_DNSWL_NONE -0.00, T_DKIM_INVALID 0.01, T_MIME_MALF 0.01,
>         T_TVD_MIME_NO_HEADERS 0.01, UNPARSEABLE_RELAY 0.00)
> X-msapiro-MailScanner-SpamScore: s
> X-msapiro-MailScanner-From: mark at msapiro.net
> X-Spam-Status: No
>         boundary="b1_f5bca29580e2b9cb455f487aa1a5bd28"
>
> I.e. the MailScanner report headers are inserted before the last line of
> the headers rather than appended after. This is not always a problem,
> but in this case, it causes the 'boundary=' to be separated from the
> 'Content-Type:' which is a problem.
>
> --
> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
>
>
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>
>

-- 
Shawn Iverson, CETL
Director of Technology
Rush County Schools
765-932-3901 x1171
iversons at rushville.k12.in.us
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